Document:

WARRANT AGREEMENT

         THIS WARRANT AGREEMENT ("Agreement") is made and entered into as of
this ____ day of ___________, 2000, by and between BIO-AQUA SYSTEMS, INC. a
corporation organized and existing under the laws of the State of Florida
("Company"), and AMERICAN STOCK TRANSFER & TRUST COMPANY, as warrant agent
("Warrant Agent").

         WHEREAS, the Company proposes to offer and sell a maximum of 500,000
Units ("Units") containing 1,000,000 shares of common stock ("Class A Common
Stock"), $.0001 par value per share and 1,000,000 redeemable Class A Common
Stock purchase warrants ("Warrants") exercisable for an aggregate of 1,000,000
shares of Class A Common Stock, plus up to an additional 75,000 Units issuable
in connection with the Underwriters' over-allotment, together with all of the
Class A Common Stock and Warrants comprising all such Units and the shares of
Class A Common Stock issuable upon exercise of the warrants, pursuant to a
Registration Statement on Form SB-2 (the "Prospectus"), File Number 333-81829,
filed with the Securities and Exchange Commission; and

         WHEREAS, the Company desires the Warrant Agent to act on behalf of the
Company, and the Warrant Agent is willing so to act, in connection with the
issuance, registration, registration of transfer, exchange and exercise of the
Warrants;

         NOW, THEREFORE, in consideration of the premises and the mutual
agreements herein set forth, the parties hereto agree as follows:

1.   Appointment of Warrant Agent. The Company hereby appoints the Warrant Agent
to act as agent for the Company in accordance with the instructions hereinafter
set forth in this Agreement, and the Warrant Agent hereby accepts such
appointment.

2.   Form of Warrants. The text and the terms of the Warrants, and the form of
election to purchase shares of Class A Common Stock appearing on the reverse
side thereof shall be substantially as set forth in Exhibit A attached hereto
and made a part hereof. The Warrants shall be executed on behalf of the Company
by the manual or facsimile signature of the president or a vice president of the
Company and by the manual or facsimile signature of the secretary or assistant
secretary of the Company under its corporate seal, affixed or in facsimile.

         The Warrants shall be dated by the Warrant Agent as of the initial date
of issuance thereof, and upon transfer or exchange, the Warrant shall be dated
as of such subsequent issuance date.

3.   Registration and Countersignature. The Warrant Agent shall maintain books
for the transfer and registration of the Warrants. Upon the initial issuance of
the Warrants, the Warrant Agent shall issue and register the Warrants in the
<PAGE>

names of the respective registered holders, and upon subsequent issuance, such
Warrants shall be registered in the names of the respective succeeding
registered holders. The Warrants shall be countersigned by the Warrant Agent (or
by any successor to the Warrant Agent then acting as warrant agent under this
Agreement) and shall not be valid for any purpose unless so countersigned.
Warrants may be so countersigned, however, by the Warrant Agent (or by its
successor as warrant agent) and be delivered by the Warrant Agent,
notwithstanding that the persons whose manual or facsimile signature appears
thereon as proper officers of the Company shall have ceased to be such officers
at the time of such countersignature or delivery. Until a Warrant is transferred
on the books of the Warrant Agent, the Company and the Warrant Agent may treat
any registered holder of Warrants as the absolute owner thereof for all
purposes, notwithstanding any notice to the contrary.

4.   Registration of Transfers and Exchanges. The Warrant Agent shall transfer
any outstanding Warrants on the books to be maintained by the Warrant Agent for
that purpose, upon surrender thereof for transfer, properly endorsed or
accompanied by appropriate instructions for transfer with proper documentary
stamps affixed thereto, if requested. Upon any such transfer, a new Warrant
shall be issued to the transferee, and the surrendered Warrant shall be canceled
by the Warrant Agent. Warrants so canceled shall be delivered by the Warrant
Agent to the Company from time to time. Warrants may be exchanged at the option
of the holder thereof when surrendered at the office of the Warrant Agent, for
another Warrant, or other Warrants of different denominations, of like tenor and
representing in the aggregate the right to purchase a like number of shares of
Class A Common Stock. The Warrant Agent is hereby irrevocably authorized to
countersign and deliver the Warrants in accordance with the provisions of this
Paragraph 4, and the Company, whenever required by the Warrant Agent, will
supply the Warrant Agent with Warrants duly executed on behalf of the Company
for such purpose.

5.   Exercise of Warrants. Subject to the provisions of this Agreement, each
registered holder of Warrants shall have the right, which right may be exercised
as in such Warrants expressed, during the five year period commencing thirty
days from the date of the Company's Prospectus dated _________ ____, 2000
("Prospectus") to purchase from the Company, and the Company shall issue and
sell to such registered holder of Warrants, the number of fully paid and
non-assessable shares of Class A Common Stock specified in such Warrants, upon
surrender to the Company at the office of the Warrant Agent, with the form of
election to purchase on the reverse side thereof duly completed and signed, and
upon payment to the Warrant Agent for the account of the Company of the Exercise
Price, as hereinafter defined, for the number of shares of Class A Common Stock
in respect of which such Warrants are then exercised. Payment of such Exercise
Price may be made in cash or by certified check, bank draft, or postal or
express money order, payable in United States dollars, to the order of the
Company. Subject to the provisions of Paragraph 8 hereof, upon such surrender of
Warrants and payment of the Exercise Price as aforesaid, the Company, acting
through the Warrant Agent, shall issue and cause to be delivered with all
reasonable dispatch to or upon the written order of the registered holder of
such Warrants and in such name or names as such registered holder may designate,
a certificate or certificates for the full number of shares of Class A Common
Stock so purchased upon the exercise of such Warrants. Such certificates shall
be deemed to have been issued, and any person so designated to be named therein
shall be deemed to have become a holder of record of such Class A Common Stock,
<PAGE>

as of the date of surrender of such Warrants and payment of the Exercise Price,
as aforesaid; provided, however, that if, at the date of surrender of such
Warrants and the payment of such Exercise Price, the transfer books for the
Class A Common Stock purchasable upon the exercise of such Warrants shall be
closed, the certificates for the shares in respect of which such Warrants are
then exercised shall be issuable as of the date on which such books shall next
be opened, and until such date the Company shall be under no duty to deliver any
certificate for such shares; provided further, however, that the transfer books
aforesaid, unless otherwise required by law, shall not be closed at any one time
for a period longer than 20 days. The right of purchase represented by the
Warrants shall be exercisable, at the election of the registered holders
thereof, either as an entirety or, from time to time, for part of the shares
specified therein, and in the event that any Warrant is exercised in respect of
less than all of the shares specified therein at any time prior to the date of
expiration of the Warrants, a new Warrant or Warrants will be issued for the
remaining number of Class A Common Stock specified in the Warrant so
surrendered, and the Warrant Agent is hereby irrevocably authorized to
countersign and to deliver the required new Warrants pursuant to the provisions
of this Paragraph 5 and of Paragraph 3 of this Agreement, and the Company,
whenever required by the Warrant Agent, will supply the Warrant Agent with
Warrants duly executed on behalf of the Company for such purposes.

         Notwithstanding anything contained herein to the contrary, no Warrant
may be exercised if the issuance of Class A Common Stock in connection therewith
would constitute a violation of the registration provisions of federal or state
securities laws.

         The Company will use its best efforts to file and keep effective a
current prospectus which will permit the purchase and sale of the Warrants and
the Class A Common Stock underlying the Warrants. In addition, the Company will
use its best efforts to qualify for sale the Warrants and the Class A Common
Stock underlying the Warrants in those states in which the Warrants and the
Class A Common Stock are to be offered.

         Upon thirty (30) days' prior written notice to all holders of the
Warrants, the Company shall have the right to reduce the exercise price and/or
extend the term of the Warrants in compliance with the requirements of Rule
13e-4 to the extent applicable.

         The "Exercise Price" of the Warrants shall mean the exercise price
specified in the Warrants until the occurrence of a recapitalization or
reclassification that, pursuant to the provisions hereof, shall require an
increase or decrease in the exercise price of the Warrants, and thereafter shall
mean said price as adjusted from time to time in accordance with the provisions
hereof. No such adjustment shall be made unless such adjustment would change the
then purchase price per share by Ten Cents ($.10) or more; provided, however,
that all adjustments not so made shall be deferred and made when the aggregate
thereof would change the then purchase price per share by Ten Cents ($.10) or
more. No adjustment made pursuant to any provision hereof shall have the effect
of increasing the total consideration payable upon exercise of any of the
Warrants.
<PAGE>

6.   Adjustments in Certain Cases. In case the Company shall at any time prior
to the exercise or termination of any of the Warrants effect a recapitalization
or reclassification of such character that its Class A Common Stock shall be
changed into or become exchangeable for a larger or smaller number of shares,
then, upon the effective date thereof, the number of shares of Class A Common
Stock that the holders of the Warrants shall be entitled to purchase upon
exercise thereof shall be increased or decreased, as the case may be, in direct
proportion to the increase or decrease in such number of shares of Class A
Common Stock by reason of such recapitalization or reclassification on, and the
purchase price per share of such recapitalized or reclassified Class A Common
Stock shall, in the case of an increase in the number of shares, be
proportionately decreased and, in the case of a decrease in the number of
shares, be proportionately increased.

         In case the Company shall at any time prior to the exercise or
termination of any of the Warrants distribute to holders of its Class A Common
Stock cash, evidences of indebtedness, or other securities or assets, other than
as dividends or distributions payable out of current or accumulated earnings,
then, in any such case, the holders of the Warrants shall be entitled to
receive, upon exercise thereof, with respect to each share of Class A Common
Stock issuable upon such exercise, the amount of cash or evidences of
indebtedness or other securities or assets that such holder would have been
entitled to receive with respect to the Class A Common Stock as a result of the
happening of such event, had the Warrants been exercised immediately prior to
the record date or other date fixing shareholders to be affected by such event
(without giving effect to any restriction upon such exercise).

         In case the Company shall at any time prior to the exercise or
termination of any of the Warrants consolidate or merge with any other
corporation or transfer all or substantially all of its assets to any other
corporation preparatory to a dissolution, then the Company shall, as a condition
precedent to such transaction, cause effective provision to be made so that the
holders of the Warrants, upon the exercise thereof after the effective date of
such transaction, shall be entitled to receive the kind and amount of shares,
evidences of indebtedness, and/or other property receivable on such transaction
by a holder of the number of shares of Class A Common Stock as to which the
Warrants were exercisable immediately prior to such transaction (without giving
effect to any restriction upon such exercise); and, in any such case,
appropriate provision shall be made with respect to the rights and interests of
the holders thereof to the effect that the provisions of the Warrants shall
thereafter be applicable (as nearly as may be practicable) with respect to any
shares, evidences of indebtedness, or other securities or assets thereafter
deliverable upon exercise of the Warrants.
<PAGE>

         Whenever the number of shares of Class A Common Stock or other types of
securities or assets purchasable upon exercise of any of the Warrants shall be
adjusted as provided herein, the Company shall forthwith obtain and file with
its corporate records a certificate or letter from a firm of independent public
accountants of recognized standing, which may include the Company's then
independent auditing firm setting forth the computation and the adjusted number
of shares of Class A Common Stock or other securities or assets purchasable
hereunder resulting from such adjustments, and a copy of such certificate or
letter shall be mailed to each of the registered holders of the Warrants. Any
such certificate or letter shall be conclusive evidence as to the correctness of
the adjustment or adjustments referred to therein and shall be available for
inspection by the holders of the Warrants on any day during normal business
hours.

         In the event that at any time as a result of an adjustment made
pursuant hereto the holders of the Warrants shall become entitled to purchase
upon exercise thereof shares, evidences of indebtedness, or other securities or
assets (other than Class A Common Stock, then, wherever appropriate, all
references herein to Class A Common Stock shall be deemed to refer to and
include such shares, evidences of indebtedness, or other securities or assets,
and thereafter the number of such shares, evidences of indebtedness, or other
securities or assets shall be subject to adjustment from time to time in a
manner and upon terms as nearly equivalent as practicable to the provisions
hereof.

7.   Redemption. The Warrants may be redeemed at the option of the Company, at a
redemption price of $.05 per Warrant (subject to adjustment as set forth herein)
at any time commencing twelve (12) months from the date of the Prospectus upon
not less than thirty (30) days prior written notice, subject to exercise by the
Warrant holder, if the closing price of the Company's Class A Common Stock, as
reported by the principal exchange on which the Class A Common Stock is traded,
the American Stock Exchange, as the case may be, equals or exceeds $____ per
share for thirty (30) consecutive trading days. However, the Company may not
redeem the Warrants at any time that a current registration statement under the
Securities Act of 1933 covering the shares of Class A Common Stock issuable upon
exercise of the Warrants is not then in effect. On and after the date fixed for
redemption, the Registered Holder shall have no rights with respect to the
Warrants except to receive the $.05 per Warrant upon surrender of this Warrant
Certificate.

8.   Payment of Taxes. The Company will pay all documentary stamp taxes, if any,
attributable to the initial issuance of securities upon the exercise of the
Warrants; provided, however, that the Company shall not be required to pay any
tax or taxes that may be payable in respect of any transfer involved in the
issue or delivery of any securities in a name other than that of the registered
holder of Warrants in respect of which such securities are issued and, in such
case, neither the Company nor the Warrant Agent shall be required to issue or
deliver any certificate representing such securities or any Warrant until the
person requesting the same has paid to the Company or the Warrant Agent the
amount of such tax or has established to the Company's satisfaction that such
tax has been paid. 9.ab Mutilated or Missing Warrants. In case any of the
Warrants shall be mutilated, lost, stolen or destroyed, the Warrant Agent may
countersign and deliver in exchange and substitution for and upon cancellation
of the mutilated Warrant or in lieu of and substitution for the Warrant lost,
stolen or destroyed, a new Warrant of like tenor and representing an equivalent
right or interest, but only upon receipt of evidence satisfactory to the Warrant
Agent of such loss, theft or destruction of such Warrants and indemnity, if
requested, also satisfactory to them. Applicants for such substitute Warrants
shall also comply with such other reasonable regulations and pay such other
reasonable charges as the Company or the Warrant Agent may prescribe.
<PAGE>

10.   Reservation of Class A Common Stock. Prior to the issuance of any
Warrants, there shall have been reserved, and the Company shall at all times
keep reserved out of the authorized and unissued Class A Common Stock, a number
of shares of Class A Common Stock sufficient to provide for the exercise of the
rights of purchase represented by the Warrants, and the transfer agent for the
Class A Common Stock and every subsequent transfer for any of the Company's
Class A Common Stock issuable upon the exercise of any of the rights of purchase
aforesaid are hereby irrevocably authorized and directed at all times to reserve
such number of authorized and unissued Class A Common Stock as shall be
requisite for such purpose. The Company agrees that all Class A Common Stock
issued upon exercise of the Warrants shall be, at the time of delivery of the
certificates representing such Class A Common Stock, validly issued and
outstanding, fully paid and non-assessable. The Company will keep a copy of this
Agreement on file with the transfer agent for the Class A Common Stock and with
every subsequent transfer agent for the Company's Class A Common Stock issuable
upon the exercise of the right of purchase represented by the Warrants. The
Warrant Agent is hereby irrevocably authorized to requisition from time to time
from such transfer agent stock certificates required to honor outstanding
Warrants that have been exercised. The Company will supply such transfer agent
with duly executed stock certificates for such purpose. All Warrants surrendered
in the exercise of the rights thereby evidenced shall be canceled by the Warrant
Agent and shall thereafter be delivered to the Company, and such canceled
Warrants shall constitute sufficient evidence of the number of shares of Class A
Common Stock that have been issued upon the exercise of such Warrants. All
Warrants surrendered for transfer, exchange or partial exercise shall be
canceled by the Warrant Agent and delivered to the Company. Promptly after the
date of expiration of the Warrants, the Warrant Agent shall certify to the
Company the total aggregate amount of Warrants then outstanding and, thereafter,
no Class A Common Stock shall be subject to reservation in respect of such
Warrants.

11.   Disposition of Proceeds on Exercise of Warrants. Upon the exercise of the
Warrants, the Warrant Agent shall promptly deposit the payment into an escrow
account established by mutual agreement of the Company and the Warrant Agent at
a federally insured commercial bank. All funds deposited in the escrow account
will be disbursed on a weekly basis to the Company once they have been
determined by the Warrant Agent to be collected funds. Once the funds are
determined to be collected, the Warrant Agent shall cause the share
certificate(s) representing the exercised Warrants to be issued. 12.ab Merger or
Consolidation or Change of Name of Warrant Agent. Any corporation or company
that may succeed to the business of the Warrant Agent by merger or consolidation
or otherwise to which the Warrant Agent shall be a party, or any corporation or
company or otherwise succeeding to the business of the Warrant Agent shall be
the successor to the Warrant Agent hereunder without the execution or filing of
any paper or any further act on the part of any of the parties hereto; provided,
however, that such corporation would be eligible for appointment as a successor
Warrant Agent under the provision of Paragraph 14 of this Agreement. In case at
the time such successor to the Warrant Agent shall succeed to the agency created
by this Agreement or in case at any time the name of the Warrant Agent shall be
changed, and any of the Warrants shall have been countersigned but not
delivered, any such successor to the Warrant Agent may adopt the
countersignature of the original Warrant Agent and deliver such Warrants so
countersigned; and in case at the time any of the Warrants shall not have been
countersigned, the successor to the Warrant Agent may countersign such Warrants,
either in the name of the predecessor Warrant Agent or in the name of the
successor Warrant Agent; and in all such cases, such Warrants shall have the
full force provided in the Warrants and in this Agreement.

         In case at any time the name of the Warrant Agent shall be changed and
at such time any of the Warrants shall have been countersigned but not
delivered, the Warrant Agent may adopt the countersignature under its prior name
and deliver Warrants so countersigned; and if at that time any of the Warrants
shall not have been countersigned, the Warrant Agent may countersign such
Warrants either in its prior name or in its changed name; and in all such cases,
such Warrants shall have the full force provided in the Warrants and this
Agreement.

13.   Duties of the Warrant Agent.

         (a)      The Warrant Agent undertakes the duties and obligations
imposed by this Agreement upon the following terms and conditions, by all of
which the Company shall be bound:

                           (i)      The statements contained herein and in the
Warrants shall be taken as statements of the Company, and the Warrant Agent
assumes no responsibility for the correctness of any of the same, except such as
described by the Warrant Agent or action or actions taken or to be taken by it.
The Warrant Agent assumes no responsibility with respect to the distribution of
the Warrants, except as herein otherwise provided.

                           (ii)     The Warrant Agent shall not be responsible
or any failure of the Company to comply with any of the covenants contained in
this Agreement or in the Warrants to be complied with by the Company.

                           (iii) The Warrant Agent may execute and exercise any
of the rights or powers hereby vested in it or perform any duty hereunder,
either itself, or by or through its attorneys, agents or employees.
<PAGE>

                           (iv)     The Warrant Agent may consult at any time
with counsel satisfactory to it (who may be counsel for the Company), and the
Warrant Agent shall incur no liability or responsibility to the Company or to
any holder of any Warrant in respect of any action taken, suffered or omitted by
it hereunder in good faith and in accordance with the opinion or advice of such
counsel, provided the Warrant Agent shall have exercised reasonable care in the
selection and continued employment of such counsel.

                           (v)      The Warrant Agent shall incur no liability
or responsibility to the Company or to any holder of any Warrant for any action
taken in reliance upon any notice, resolution, waiver, consent, order,
certificate or other paper, document or instrument reasonably believed by it to
have been signed, sent or presented by the proper party or parties.

                           (vi)     The Company agrees to pay the Warrant Agent
reasonable compensation for all services rendered by the Warrant Agent in the
execution of this Agreement; to reimburse the Warrant Agent for all expenses,
taxes, governmental charges and other charges of any kind and nature incurred by
the Warrant Agent in the execution of this Agreement; and to indemnify the
Warrant Agent and save it harmless from and against any and all liabilities,
including judgments, costs and reasonable attorneys' fees for anything done or
omitted by the Warrant Agent in the execution of this Agreement, except as a
result of the Warrant Agent's negligence or bad faith.

                           (vii) The Warrant Agent shall be under no obligation
to institute any action, suit or legal proceeding, or to take any other action
likely to involve expense, unless the Company or one or more registered holders
of Warrants shall furnish the Warrant Agent with reasonable security and
indemnity. All rights of action under this Agreement or under any of the
Warrants or in the production thereof at any trial or other proceeding relative
thereto, and any such action, suit or proceeding instituted by the Warrant Agent
shall be brought in its name as Warrant Agent, and any recovery of judgment
shall be for the benefit of the registered holders of the Warrants, as their
respective rights or interests may appear.

                           (viii) The Warrant Agent and any shareholder,
director, officer, partner or employee of the Warrant Agent may buy, sell or
deal in any of the Warrants or other securities of the Company or become
pecuniarily interested in any transaction in which the Company may be
interested, or contract with or lend money to or otherwise act as fully and
freely as though it were not the Warrant Agent under this Agreement. Nothing
herein shall preclude the Warrant Agent from acting in any other capacity for
the Company or for any other legal entity.

                           (ix) The Warrant Agent shall act hereunder solely as
agent, and its duties shall be determined solely by the provisions hereof. The
Warrant Agent shall not be liable for anything that it may do or refrain from
doing in connection with this Agreement, except for its own negligence or bad
faith.
<PAGE>

                           (x) The Warrant Agent shall keep copies of this
Agreement available for inspection by holders of the Warrants during normal
business hours at its principal office in Colorado.

14.   Change of Warrant Agent. The Warrant Agent may resign and be discharged
from its duties under this Agreement by giving notice in writing to the Company
and by giving notice by mail to holders of the Warrants at their addresses as
such addresses appear on the Warrant register of such resignation, specifying a
date when such resignation shall take effect, which date shall not be less than
30 days after the mailing of said notice. The Warrant Agent may be removed at
the discretion of the Company by like notice to the Warrant Agent from the
Company and by like mailing of notice to the holders of the Warrants. If the
Warrant Agent shall resign or be removed or otherwise become incapable of
acting, the Company shall appoint a successor to the Warrant Agent. If the
Company shall fail to make such appointment within a period of 30 days after
such removal, or after it has been notified in writing of such resignation or
incapacity by the resigning or incapacitated Warrant Agent or by the registered
holder of a Warrant (who shall, with such notice, submit his Warrant for
inspection by the Company), then the registered holder of any Warrant may apply
to any court of competent jurisdiction for the appointment of a successor to the
Warrant Agent. After appointment, any successor Warrant Agent shall be vested
with the same powers, rights, duties and responsibilities as if it had been
originally named as Warrant Agent without further act or deed, but the former
Warrant Agent shall deliver and transfer to the successor Warrant Agent any
property at the time held by it hereunder, and execute and deliver any further
assurance, conveyance act or deed necessary for the purpose. Not later than the
effective date of any such appointment, the Company shall give notice thereof to
the predecessor Warrant Agent and each transfer agent for the Class A Common
Stock, and shall forthwith give notice to the holders of the Warrants in the
manner prescribed in this section. Failure to file or mail any notice provided
for in this Section 14, however, or any defect therein, shall not affect the
legality or validity of the resignation or removal of the Warrant Agent or the
appointment of any successor Warrant Agent, as the case may be.

15.   Identity of Transfer Agent. Forthwith upon the appointment of any transfer
agent other than the Warrant Agent for the Class A Common Stock of the Company
issuable upon the exercise of the rights of purchase represented by the
Warrants, the Company will file with the Warrant Agent a statement setting forth
the name and address of such transfer agent.
<PAGE>

16.   Notices. Any notice pursuant to this Agreement to be given or made by the
Warrant Agent or by the registered holder of any Warrant to the Company shall be
deemed to have been sufficiently given or made if sent by certified mail, return
receipt requested, postage prepaid, addressed (until another address is filed in
writing by the Company with the Warrant Agent) as follows:

         To the Company:            Bio-Aqua Systems, Inc.
                                    1900 Glades Road, Suite 351
                                    Boca Raton, FL 33431

         To the Warrant Agent:      American Stock Transfer & Trust Company
                                    40 Wall Street
                                    New York, NY 10005

Any notice pursuant to this Agreement to be given or made by the Company or by
the registered holder of any Warrant to the Warrant Agent shall be deemed to
have been sufficiently given or made if sent by certified mail, return receipt
requested, postage prepaid, addressed (until another address is filed ln writing
by the Warrant Agent with the Company) to the Warrant Agent as set forth above.

17.   Standard of Conduct. Notwithstanding any implication to the contrary
elsewhere herein, whenever the Company or the Warrant Agent are required or
permitted to make any judgment or to take any action, no such judgment or action
shall be made or taken in bad faith or in any arbitrary or capricious fashion.

18.   Supplements and Amendments. The Company and the Warrant Agent may, from
time to time, supplement or amend this Agreement without the approval of any of
the holders of the Warrants in order to cure any ambiguity or to correct or
supplement any provision contained herein that may be defective or inconsistent
with any other provision herein, or to make any other provisions in regard to
matters or questions arising hereunder that the Company and the Warrant Agent
may deem necessary or desirable, that shall not be inconsistent with the
provisions of the Warrants, and that shall not materially adversely affect the
rights of the holders of the Warrants.

19.   Successors. All of the covenants and provisions hereof by or for the
benefit of the Company or the Warrant Agent shall bind and inure to the benefit
of their respective successors and assigns hereunder.

20.   Merger or Consolidation of the Company. The Company will not merge or
consolidate with or into any other corporation, unless the corporation resulting
from such merger or consolidation (if not the Company) shall expressly assume,
by supplemental agreement satisfactory in form to the Warrant Agent and executed
and delivered to the Warrant Agent, the due and punctual performance and
observance of each and every covenant and condition of this Agreement to be
performed and observed by the Company.

21.   Florida Contract. This Agreement and each Warrant issued hereunder shall
be deemed to be a contract made under the laws of the State of Florida and for
all purposes shall be construed in accordance with the laws of said state.

22.   Benefits of this Agreement. Nothing in this Agreement shall be construed
to give any person or corporation, other than the Company, the Warrant Agent and
the registered holders of the Warrants, any legal or equitable right, remedy or
claim under this Agreement, but this Agreement shall be for the sole and
exclusive benefit of the Company and the Warrant Agent and their respective
successors and of the holders of the Warrant certificates.
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed and their respective corporate seals to be hereunto affixed and
attested, all as of the day and year first above written.

                                     BIO-AQUA SYSTEMS, INC.

                                     By:______________________________
                                     Name: __________________________
                                     Its: _____________________________

ATTEST:

------------------------

                                     AMERICAN STOCK TRANSFER & TRUST
                                     COMPANY

                                     By:______________________________
                                     Name: __________________________
                                     Its: _____________________________

ATTEST:

------------------------

<PAGE>

                      [FORM OF FACE OF WARRANT CERTIFICATE]

No.___                                             ____ Warrants

                          VOID AFTER ____________, 2005

                        WARRANT CERTIFICATE FOR PURCHASE
                             OF CLASS A COMMON STOCK

                             BIO-AQUA SYSTEMS, INC.

         This certifies that FOR VALUE RECEIVED, _____________________ or
registered assigns (the "Registered Holder") is the owner of the number of
Common Stock Redeemable Warrants ("Warrants") specified above. Each Warrant
represented hereby entitles the Registered Holder to purchase, subject to the
terms and conditions set forth in this Warrant Certificate and the Warrant
Agreement of even date herewith (the "Warrant Agreement"), one fully paid and
nonassessable share of Class A Common Stock, par value $.0001 per share ("Common
Stock"), of BIO-AQUA SYSTEMS, INC., a Florida corporation (the "Company") at any
time commencing _______________, 2000, and expiring on the Expiration Date (as
hereinafter defined), upon the presentation and surrender of this Warrant
Certificate with the Subscription Form on the reverse side hereof duly executed,
at the corporate office of American Stock Transfer & Trust Company, as Warrant
Agent, or its successor (the "Warrant Agent"), accompanied by payment of $____
per share (subject to adjustment) (the "Purchase Price") in the lawful money of
the United States of America in cash or by official bank or certified check made
payable to the Company. No fractional shares of Common Stock will be issued.

         This Warrant Certificate and each Warrant represented hereby are issued
pursuant to and are subject in all respects to the terms and conditions set
forth in the Warrant Agreement by and among the Company and the Warrant Agent.

         In the event of certain contingencies provided for in the Warrant
Agreement, the Purchase Price or the number of shares of Common Stock subject to
purchase upon the exercise of each Warrant represented hereby are subject to
modification or adjustment.

         Each Warrant represented hereby is exercisable at the option of the
Registered Holder, but no fractional shares of Common Stock will be issued. In
the case of the exercise of less than all the Warrants represented hereby, the
Company shall cancel this Warrant Certificate upon the surrender hereof and
shall execute and deliver a new Warrant Certificate or Warrant Certificates of
like tenor, which the Warrant Agent shall countersign, for the balance of such
Warrants.

<PAGE>

         The term "Expiration Date" shall mean 5:00 p.m. (Florida Time) on
_______, 2005, or such earlier date as the Warrants shall be redeemed. If such
date shall in the State of Florida be a holiday or a day on which banks are
authorized to close, then the Expiration Date shall mean 5:00 p.m. (Florida
time) the next following day which in the State of Florida is not a holiday or a
day on which banks are authorized to be closed.

         The Company shall not be obligated to deliver any securities pursuant
to the exercise of the Warrants represented hereby unless a registration
statement under the Securities Act of 1933, as amended, with respect to such
securities is effective. The Company has covenanted and agreed that it will file
a registration statement and will use its best efforts to cause the same to
become effective and to keep such registration statement current while any of
the Warrants are outstanding. The Warrants represented hereby shall not be
exercisable by a Registered Holder in any state where such exercise would be
unlawful.

         This Warrant Certificate is exchangeable, upon the surrender hereof by
the Registered Holder at the corporate office of the Warrant Agent, for a new
Warrant Certificate or Warrant Certificates of like tenor representing an equal
aggregate number of Warrants, each of such new Warrant Certificates to represent
such number of Warrants as shall be designated by such Registered Holder at the
time of such surrender. Upon due presentment, with the appropriate transfer fee
per certificate in addition to any tax or other governmental charge imposed in
connection therewith, for registration of transfer of this Warrant Certificate
at such office, a new Warrant Certificate or Warrant Certificates representing
an equal aggregate number of Warrants will be issued to the transferee in
exchange therefor, subject to the limitations provided in the Warrant Agreement.

         Prior to the exercise of any Warrant represented hereby, the Registered
Holder shall not be entitled to any rights of a stockholder of the Company,
including, without limitation, the right to vote or to receive dividends or
other distributions, and shall not be entitled to receive any notice of any
proceedings of the Company, except as provided in the Warrant Agreement.

         The Warrants represented hereby may be redeemed at the option of the
Company, commencing twelve (12) months following the effective date of the
Company's registration statement on Form SB-2 filed with the Securities and
Exchange Commission at a redemption price of $.05 per Warrant, upon thirty (30)
days' prior written notice, if (i) the average closing price of the Common
Stock, as reported on the American Stock Exchange, the principle exchange on
which the Common Stock is traded, the American Stock Exchange, as the case may
be, equals or exceeds $____ per share for any thirty (30) consecutive trading
days ending within thirty (30) days prior to the date of the notice of
redemption. On and after the date fixed for redemption, the Registered Holder
shall have no rights with respect to the Warrants represented hereby except to
receive the $.05 per Warrant upon surrender of this Warrant Certificate. Upon
thirty (30) days' prior written notice to all holders of the Warrants and
subject to the consent of the Company's lead underwriter or representative, the
Company shall have the right to reduce the exercise price and/or extend the term
of the Warrants in compliance with the requirements of Rule 13e-4 to the extent
applicable.

                                        2

<PAGE>

         Prior to due presentment for registration of transfer hereof, the
Company and the Warrant Agent may deem and treat the Registered Holder as the
absolute owner hereof and of each Warrant represented hereby (notwithstanding
any notations of ownership or writing hereon made by anyone other than a duly
authorized officer of the Company or the Warrant Agent) for all purposes and
shall not be affected by any notice to the contrary.

         This Warrant Certificate shall be governed by and construed in
accordance with the laws of the State of Florida.

         This Warrant Certificate is not valid unless countersigned by the
Warrant Agent.

         IN WITNESS WHEREOF, the Company has caused this Warrant Certificate to
be duly executed, manually or in facsimile, by one of its officers thereunto
duly authorized and a facsimile of its corporate seal to be imprinted hereon.

                                            BIO-AQUA SYSTEMS, INC.

Dated________________, 2000                 By:______________________________
                                            Name:____________________________
                                            Title:___________________________

[corporate seal]

Countersigned:

AMERICAN STOCK TRANSFER & TRUST COMPANY
as Warrant Agent

By:____________________________
   Authorized Officer

                                        3

<PAGE>

                    [FORM OF REVERSE OF WARRANT CERTIFICATE]

                                SUBSCRIPTION FORM

                     To Be Executed by the Registered Holder
                          in Order to Exercise Warrants

         The undersigned Registered Holder hereby irrevocably elects to exercise
________ Warrants represented by this Warrant Certificate, and to purchase the
securities issuable upon the exercise of such Warrants, and requests that
certificates for such securities shall be issued in the name of

            PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER

               ____________________________________________________

               ____________________________________________________

               ____________________________________________________

               ____________________________________________________
                    (Please print or type name and address)

and be delivered to

               ____________________________________________________

               ____________________________________________________

               ____________________________________________________

               ____________________________________________________
                     [please print or type name and address]

and if such number of Warrants shall not be all the Warrants evidenced by this
Warrant Certificate, that a new Warrant Certificate for the balance of such
Warrants be registered in the name of, and delivered to, the Registered Holder
at the address stated below.

Dated: ____________________                 X_________________________________
                                                         Signature
                                             _________________________________

                                             _________________________________
                                                          Address

                                        4

<PAGE>

                        ________________________________
                         Taxpayer Identification Number

                        ________________________________
                             Signature Guaranteed

                        ________________________________

THE SIGNATURE TO THE SUBSCRIPTION FORM MUST CORRESPOND TO THE NAME AS WRITTEN
UPON THE FACE OF THIS WARRANT CERTIFICATE IN EVERY PARTICULAR, WITHOUT
ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATSOEVER, AND MUST BE GUARANTEED BY A
MEMBER OF THE MEDALLION STAMP PROGRAM.

                                        5

<PAGE>

                                   ASSIGNMENT

                     To Be Executed by the Registered Holder
                           in Order to Assign Warrants

FOR VALUE RECEIVED, _________________hereby sells, assigns and transfers unto

                        PLEASE INSERT SOCIAL SECURITY OR
                     OTHER IDENTIFYING NUMBER OF TRANSFEREE

                    _________________________________________

                    _________________________________________

                    _________________________________________

                    _________________________________________
                     (Please print or type name and address)

___________ of the Warrants represented by this Warrant Certificate, and hereby
irrevocably constitutes and appoints ____________________ Attorney to transfer
this Warrant Certificate on the books of the Company, with full power of
substitution in the premises.

Dated: ____________________                 X_________________________________
                                                        Signature
                                             _________________________________

                                             _________________________________
                                                         Address

                        _________________________________________
                             Taxpayer Identification Number

                         _________________________________________
                                    Signature Guaranteed

THE SIGNATURE TO THE ASSIGNMENT MUST CORRESPOND TO THE NAME AS WRITTEN UPON THE
FACE OF THIS WARRANT CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR
ENLARGEMENT OR ANY CHANGE WHATSOEVER, AND MUST BE GUARANTEED BY A MEMBER OF THE
MEDALLION STAMP PROGRAM.

                                       6REPRESENTATIVE'S WARRANT AGREEMENT

         This Representative's Warrant Agreement (the "Agreement") is dated as
of February __, 2000 between Bio-Aqua Systems, Inc., a Florida corporation (the
"Company"), Institutional Equity Corporation and Capital West Sercurities, Inc.
( collectively, the "Representative").

                                   WITNESSETH

         WHEREAS, the Company proposes to issue to the Representative warrants
(the "Representative's Warrants"), entitling the Representative to purchase an
aggregate of 50,000 units ("Units"), containing 100,000 shares of Class A Common
Stock (the "Class A Stock") and 100,000 warrants, after a lock up period of
twelve months, at a purchase price of $____ per Unit.

         WHEREAS, the Representative has agreed pursuant to the Underwriting
Agreement dated February___, 2000 between the Representative and the Company to
act as the Representative in connection with the Company's proposed public
offering (the "Offering") of 500,000 Units (the "Units"), each Unit consisting
of two shares of Class A Stock and two redeemable common stock purchase warrants
("Warrants"), at an initial public offering price of $___ per Unit; and

         WHEREAS, the Representative's Warrants issued pursuant to this
Agreement are being issued by the Company to the Representative, or to its
designees who are officers of the Representative or to members of the selling
group participating in the Offering and/or their respective officers or partners
(collectively, the "Designees"), in consideration for, and as part of the
Representative's compensation in connection with acting as the Representative
for the Offering;

         NOW, THEREFORE, in consideration of these premises, the payment by the
Representative or its Designees to the Company of One Hundred Twenty Dollars
($120.00), the agreements herein set forth and other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the
parties hereto agree as follows:

         1.       GRANT.

         The Representative and/or the Designees are hereby granted the right to
purchase, commencing ________ __, 2001 until 5:00 P.M., Eastern time, on
_________, 2005 (the "Warrant Exercise Term"), up to 50,000 Units, consisting of
100,000 fully-paid and non-assessable shares of Class A Stock and 100,000
warrants at an initial exercise price (subject to adjustment as provided in
Article 6 hereof) of $____ per Unit. The warrants are exercisable at any time
commencing _________, 2001 until 5:00 P.M., Eastern time on ________, 2005. The
Holder (defined hereafter) may purchase, upon exercise of the Representative's
Warrants, either all or part of the Class A Stock or all or part of the
warrants, or all or part of both. The Class A Stock and, except as provided in
Article 13 hereof, the warrants are in all respects identical to the Class A
Stock and Warrants, respectively, being sold to the public pursuant to the terms
and provisions of the Underwriting Agreement.
<PAGE>

         2.       WARRANT CERTIFICATES.

         The warrant certificates delivered, and to be delivered pursuant to
this Agreement shall be for the Representative's Warrants in the form set forth
in Exhibit A attached hereto (the "Representative's Warrant Certificates") and
for the warrants in the form of Exhibit B attached hereto (the "warrant
Certificate"), each with such appropriate insertions, omissions, substitutions
and other variations as required or permitted by this Agreement.

         3.       EXERCISE OF WARRANTS.

         The Representative's Warrants initially are exercisable at a purchase
price of $_____ per Unit, payable in cash or by check to the order of the
Company, or any combination thereof, subject to adjustment as provided in
Article 8 hereof. Upon surrender of the Representative's Warrant Certificate(s)
with an Form of Election to Purchase duly executed, together with payment of the
Exercise Price (as hereinafter defined) for the Units purchased, at the
Company's principal offices in Florida (currently located at 1900 Glades Road,
Suite 351, Boca Raton, Florida 33431) the registered holder of a
Representative's Warrant Certificate ("Holder(s)") shall be entitled to receive
a certificate or certificates for the Class A Stock so purchased and a
certificate or certificates for the Warrants so purchased. The purchase rights
represented by each Representative's Warrant Certificate are exercisable at the
option of the Holder thereof, in whole or in part (but not as to fractional
shares of Class A Stock or fractional warrants). In the case of the purchase of
less than all Class A Stock or warrants purchasable under any Representative's
Warrant Certificate, the Company shall cancel said Representative's Warrant
Certificate upon the surrender thereof and shall execute and deliver a new
Representative's Warrant Certificate of like tenor for the balance of the Class
A Stock or warrants purchasable thereunder.

         4.       ISSUANCE OF CERTIFICATES.

         Upon the exercise of the Representative's Warrants, the issuance of
certificates for the Class A Stock purchased and certificates for the warrants
purchased, and upon the exercise of the warrants, the issuance of certificates
for the Class A Stock purchased shall be made forthwith (and in any event within
three (3) business days thereafter) without charge to the Holder thereof
including, without limitation, any tax which may be payable in respect of the
issuance thereof, and such certificates shall be issued in the name of, or in
such names as may be directed by, the Holder thereof; provided, however, that
the Company shall not be required to pay any tax which may be payable in respect
of any transfer involved in the issuance and delivery of any such certificates
in a name other than that of the Holder, and the Company shall not be required
to issue or deliver such certificates unless or until the person or persons
requesting the issuance thereof shall have paid to the Company the amount of
such tax or shall have established to the satisfaction of the Company that such
tax has been paid.
<PAGE>

         The Representative's Warrant Certificates and the certificates
representing the Class A Stock and the warrants shall be executed on behalf of
the Company by the manual or facsimile signature of the present or any future
Chairman or Vice Chairman of the Board of Directors or Chief Executive Officer,
President or Vice President of the Company under its corporate seal reproduced
thereon, attested to by the manual or facsimile signature of the present or any
future Secretary or Assistant Secretary of the Company. Representative's Warrant
Certificates and certificates representing the warrants shall be dated the date
of execution by the Company upon initial issuance, division, exchange,
substitution or transfer.

         5.       RESTRICTION ON TRANSFER OF WARRANTS AND REDEMPTION.

         The Holder of a Representative's Warrant Certificate, by the Holder's
acceptance thereof, covenants and agrees that the Representative's Warrants are
being acquired as an investment and not with a view to the distribution thereof,
and that the Representative's Warrants, Class A Stock, warrants and Class A
Stock obtained by exercise of the warrants, may not be sold, transferred,
assigned, pledged or hypothecated or otherwise disposed of, in whole or in part,
for a period of one (1) year from the date hereof, except to the Representative
or to the Designees. The Representative's Warrants may be redeemed at the option
of the Company, at a redemption price of $0.05 per Warrant (subject to
adjustment as set forth herein) at any time commencing twelve (12) months from
the date of the Prospectus upon not less than thirty (30) days prior written
notice, subject to exercise by the Representative, if the closing bid price of
the Company's Class A Stock, as reported by the principal exchange on which the
Common Stock is traded, the NASDAQ SmallCap Market or the National Quotation
Bureau, Incorporated, as the case may be, equals or exceeds $____ per share for
thirty (30) consecutive trading days. However, the Company may not redeem the
Representative's Warrants at any time that a current registration statement
under the Securities Act of 1933 covering the shares of Class A Stock issuable
upon exercise of the Representative's Warrants is not then in effect. On and
after the date fixed for redemption, the Holder shall have no rights with
respect to the Representative's Warrants except to receive the $0.05 per
Representative's Warrant upon surrender of the Representative's Warrant
Certificate.

         6.       PRICE.

                  6.1.     INITIAL AND ADJUSTED EXERCISE PRICE.

                  The initial exercise price of each Representative's Warrant
shall be $____ per Unit. The adjusted exercise price per Unit shall be the price
which shall result from time to time from any and all adjustments of the initial
exercise price per Unit, in accordance with the provisions of Article 8 hereof.

                  6.2.     EXERCISE PRICE.

                  The term "Exercise Price" herein shall mean the initial
exercise price or the adjusted exercise price, depending upon the context.
<PAGE>

         7.       REGISTRATION RIGHTS.

                  7.1.     REGISTRATION UNDER THE SECURITIES ACT OF 1933.

                  All of the Representative's Warrants, the Class A Stock, the
warrants, and the shares underlying the warrants have been registered for
purposes of public distribution under the Securities Act of 1933, as amended
(the "Securities Act").

                  7.2.     REGISTRABLE SECURITIES.

                  As used herein the term "Registrable Securities" means each of
the Representative's Warrants, the Class A Stock, the warrants, and the Class A
Stock underlying the warrants and any Class A Stock issued upon any stock split
or stock dividend in respect of such Class A Stock; provided, however, that with
respect to any particular Registrable Security, such security shall cease to be
Registrable Securities when, as of the date of determination, (i) it has been
effectively registered under the Act and disposed of pursuant thereto, (ii)
registration under the Act is no longer required for subsequent public
distribution of such security, or (iii) it has ceased to be outstanding. In the
event of any merger, reorganization, consolidation, recapitalization or other
change in corporate structure affecting the Class A Stock, such adjustment shall
be made in the definition of "Registrable Securities" as is appropriate in order
to prevent any dilution or enlargement of the rights granted pursuant to this
Article.

                  7.3.     COVENANTS OF THE COMPANY WITH RESPECT TO
                           REGISTRATION.

                  The Company covenants and agrees as follows:

                           (a) Once effective, the Company will use its best
efforts to maintain the effectiveness of the Registration Statement until the
earlier of (i) the date that all of the Registrable Securities have been sold or
(ii) the date the Holders thereof receive an opinion of counsel to the Company
that all of the Registrable Securities may be freely traded without registration
under the Act, under Rule 144(k) promulgated under the Act or otherwise.

                           (b) In connection with the registration under Section
7.1 hereof, the Company shall file the Registration Statement as expeditiously
as possible, but in any event no later than furnishing each Holder of
Registrable Securities such number of prospectuses as shall reasonably be
requested.

                           (c) The Company shall pay all costs, fees and
expenses (other than underwriting fees, discounts and non-accountable expense
allowance applicable to the Registrable Securities) fees and expenses of counsel
retained by the Holders of Registrable Securities in connection with all
Registration Statements filed pursuant to Section 7.1 hereof including, without
limitation, the Company's legal and accounting fees, printing expenses, and blue
sky fees and expenses.

                           (d) The Company will take all necessary action which
may be required in qualifying or registering the Registrable Securities included
in the Registration Statement, for offering and sale under the securities or
blue sky laws of such states as are reasonably requested by the Holders of such
securities.
<PAGE>

                           (e) Nothing contained in this Agreement shall be
construed as requiring any Holder to exercise the Representative's Warrants or
the warrants held by such holder prior to the initial filing of any registration
statement or the effectiveness thereof.

                           (f) If the Company shall fail to comply with the
provisions of this Article, the Company shall, in addition to any other
equitable or other relief available to the Holders of Registrable Securities, be
liable for any or all incidental, special and consequential damages sustained by
the Holders of Registrable Securities, requesting registration of their
Registrable Securities.

                           (g) The Company shall promptly deliver copies of al
correspondence between the Commission and the Company, its counsel or auditors
and all memoranda relating to discussions with the Commission or its staff with
respect to the Registration Statement to each holder of Registrable Securities
included for such registration in such Registration Statement pursuant to
Section 7.1 hereof requesting such correspondence and memoranda and to the
managing underwriter, if any, of the offering in connection with which such
Holder's Registrable Securities are being registered and shall permit each
holder of Registrable Securities and such underwriter to do such reasonable
investigation, upon reasonable advance notice, with respect to information
contained in or omitted from the Registration Statement as it deems reasonably
necessary to comply with applicable securities laws or rules of the NASD. Such
investigation shall include access to books, records and properties and
opportUnities to discuss the business of the Company with its officers and
independent auditors, all to such reasonable extent and at such reasonable times
and as often as any such holder of Registrable Securities or underwriter shall
reasonably request.

                  7.4      DEMAND REGISTRATION.

                  Upon the written request of a majority of the holders of
Registrable Securities at any time during the Warrant Exercise Period, the
Company shall promptly file and use its best efforts to cause to become
effective an appropriate registration statement under the Securities Act
covering such number of Registrable Securities as such holders shall request and
to register the sale of such Registrable Securities so that such Registrable
Securities may be sold at such times and in such manner as the holders thereof
shall determine, provided, that holder of Registrable Securities may effect such
demand registration only one time and provided further, that such demand
registration right shall terminate upon the earlier to occur of (a) the
registration for sale to the public of the number of Registrable Securities for
which such holders shall have requested registration or (b) the registration for
sale to the public of such portion of the warrants, or the Class A Stock
underlying such warrants, issued by the Company to the Representative for which
the Representative shall have requested registration. Registrations under this
Section 7.4 shall be on such appropriate registration form of the Securities and
Exchange Commission (i) as shall be selected by holders of a majority of the
Registrable Securities so to be registered and (ii) as shall permit the
disposition of such Registrable Securities in accordance with the method or
methods of disposition desired by such holders. The Company agrees to include in
any such registration statement all information which holders of Registrable
Securities being registered shall reasonably request. If the registration
pursuant to this Section 7.4 involves an underwritten offering, the underwriter
or underwriters shall be selected by the holders of a majority of Registrable
Securities to be included in such registration.
<PAGE>

                  7.5      PIGGY-BACK REGISTRATION.

                           (a)      If the Company at any time during the
Warrant Exercise Period proposes to register any of its securities under the
Securities Act (other than by a registration on Form S-8, S-4 or any successor
similar forms or any other form not available for registering the Registrable
Securities) for sale to the public, whether or not for sale for its own account,
it will each such time, at least 30 days prior to filing the registration
statement, give written notice to all holders of Registrable Securities (as
defined herein) of its intention to do so. Upon the written request of any such
holder made within 15 days after the receipt of any such notice (which request
shall specify the Registrable Securities intended to be disposed of by such
holder and the intended method of disposition thereof), the Company will use its
best efforts to effect the registration under the Securities Act of all
Registrable Securities, to the extent required to permit the disposition of the
Registrable Securities so to be registered, provided that if, at any time after
giving written notice of its intention to register any securities and prior to
the effective date of the registration statement filed in connection with such
registration, the Company shall determine for any reason not to register or to
delay registration of such securities, the Company may, at its election, give
written notice of such determination to each holder of Registrable Securities
and, thereupon, (i) in the case of a determination not to register, shall be
relieved of its obligation to register any Registrable Securities in connection
with such registration but not from its obligation to grant such piggy-back
registration in any subsequent registration by the Company, and (ii) in the case
of a determination to delay registering, shall be permitted to delay registering
any Registrable Securities being registered pursuant to this Section 7.5, for
the same period as the delay in registering such other securities.

                           (b)      If (i) a registration pursuant to this
Section 7.5 involves an underwritten offering of the securities so being
registered, whether or not for sale for the account of the Company, to be
distributed (on a firm commitment basis) by or through one or more underwriters
of recognized standing, whether or not the Registrable Securities so requested
to be registered for sale for the account of holders of Registrable Securities
are also to be included in such underwritten offering, and (ii) the managing
underwriter of such underwritten offering shall inform the Company and the
holders of Registrable Securities requesting such registration by letter of its
belief that the number of securities requested to be included in such
registration exceeds the number which can be sold in (or during the time of)
such offering, then the Company may include in such offering all securities
proposed by the Company to be sold for its own account and may decrease the
number of Registrable Securities and other securities of the Company requested
to be included in such registration by decreasing the number of Registrable
Securities and other securities of the Company requested to be included in such
registration (pro rata on the basis of the number of shares of such securities
held by such person immediately prior to the filing of the registration
statement with respect to such registration) to the extent necessary to reduce
the number of securities to be included in the registration to the level
recommended by the managing underwriter.

                           (c)      Except as otherwise provided in this
Section 7.5, all expenses incurred in connection with each effective
registration pursuant to Section 7.4 or Section 7.5 (excluding in each case
underwriter's discounts and commissions applicable to Registrable Securities),
including, without limitation, in each case, all registration, filing and
National Association of Securities Dealer fees; all fees and expenses of
complying with securities or blue sky laws; all word processing, duplicating and
printing expenses, messenger, delivery and shipping expense; fees and
disbursements of the accountants and counsel for the Company including the
expenses of any special audits or "cold comfort" letters or opinions required by
or incident to such registrations; and any fees and disbursements of
underwriters customarily paid by issuers or sellers of securities (but excluding
underwriting discounts and commissions, if any) shall be borne by the Company.
In all cases, each holder of Registrable Securities shall pay the underwriter's
discounts and commissions applicable to the securities sold by such holder.
<PAGE>

                  7.6      REGISTRATION PROCEDURES.

                  If and whenever the Company is required to use reasonable
efforts to effect the registration of any Registrable Securities under the
Securities Act as provided in Section 7.4 or 7.5, the Company will, subject to
the limitations provided herein, as expeditiously as possible:

                           (a)      prepare and (as soon thereafter as possible
or in any event no later than 60 days after the end of the period within which
requests for registration may be given to the Company or such longer period as
the Company shall in good faith require to produce the financial statements
required in connection with such registration) file with the Commission the
requisite registration statement to effect such registration and thereafter use
reasonable efforts to cause such registration statement to become effective,
provided that the Company may discontinue any registration of its securities
which are not Registrable Securities at any time prior to the effective date of
the registration statement relating thereto;

                           (b)      prepare and file with the Commission such
amendments and supplements to such registration statement and the prospectus
used in connection therewith as may be necessary to keep such registration
statement effective and to comply with the provisions of the Securities Act with
respect to the disposition of all securities covered by such registration
statement until such time as all of such securities have been disposed of in
accordance with the intended methods of disposition by the seller or sellers
thereof set forth in such registration statement; provided, however, that the
Company shall not in any event be required to keep the registration statement
effective for a period of more than nine months after such registration
statement becomes effective;

                           (c)      furnish to each seller of Registrable
Securities covered by such registration statement such number of conformed
copies of such registration statement and of each such amendment and supplement
thereto (in each case including all exhibits), such number of copies of the
prospectus contained in such registration statement (including each preliminary
prospectus and any summary prospectus) and any other prospectus filed under Rule
414 under the Securities Act, and such other documents, as such seller may
reasonable request;
<PAGE>

                           (d)      use its reasonable best efforts to register
or qualify all Registrable Securities and other securities covered by such
registration statement under such other securities or blue sky laws of such
jurisdictions as each seller thereof shall reasonably request, to keep such
registration or qualification in effect for so long as such registration
statement remains in effect (provided, however, that the Company shall not in
any event be required to keep such registration or qualification in effect for a
period of more than nine months after such registration or qualification becomes
effective), and take any other action which may be reasonably necessary or
advisable to enable such seller to consummate the disposition in such
jurisdictions of the securities owned by such seller, except that the Company
shall not for any such purpose be required to qualify generally to do business
as a foreign corporation in any jurisdiction wherein it would not but for the
requirements of this subsection (d) be obligated to be so qualified or to
consent to general service of process in any such jurisdiction;

                           (e)      use its reasonable best efforts to cause all
Registrable Securities covered by such registration statement to be registered
with or approved by such other United States Federal or state governmental
agencies or authorities as may be necessary to enable the seller or sellers
thereof to consummate the disposition of such Registrable Securities;

                           (f)      furnish to each seller of Registrable
Securities a copy, or, upon request, a signed counterpart, addressed to the
underwriters, if any, of (i) an opinion of counsel for the Company, dated the
effective date of such registration statement (and, if such registration
includes an underwritten public offering, dated the date of the closing under
the underwriting agreement), and (ii) a "comfort" letter, dated the effective
date of such registration statement (and, if such registration includes an
underwritten public offering, dated the date of the closing under the
underwriting agreement), signed by the independent public accountants who have
audited the Company's financial statements included in such registration
statement, covering substantially the same matters with respect to such
registration statement (and the prospectus included therein) and, in the case of
the accountants' letter, with respect to events subsequent to the date of such
financial statements, as are customarily covered in opinions of issuer's counsel
and in accountants' letters delivered to the underwriters in underwritten public
offerings of securities and, in the case of the accountants' letter, such other
financial matters as the underwriters, if any, may reasonable request;

                           (g)      notify each seller of Registrable Securities
covered by such registration statement, at any time when a prospectus relating
thereto is required to be delivered under the Securities Act, upon discovery
that, or upon the happening of any event as a result of which, the prospectus
included in such registration statement, as then in effect, includes an untrue
statement of a material fact or omits to state any material fact required to be
stated therein or necessary to make the statements therein not misleading in the
light of the circumstances under which they were made, and at the request of any
such seller, prepare and furnish to such seller a reasonable number of copies of
a supplement to or an amendment of such prospectus as may be necessary so that,
as thereafter delivered to the purchasers of such securities, such prospectus
shall not include an untrue statement of a material fact or omit to state a
material fact required to be stated therein or necessary to make the statements
therein not misleading in the light of the circumstances under which they were
made;

                           (h)      otherwise use reasonable efforts to comply
with all applicable rules and regulations of the Commission, and make available
to its security holders, as soon as reasonably practicable, an earnings
statement covering the period of at least twelve months beginning with the first
full calendar month after the effective date of such registration statement,
which earnings statement shall satisfy the provisions of Section 11(a) of the
Securities Act, and will furnish to each such seller, upon request of such
seller, at least five days prior to the filing thereof a copy of any amendment
or supplement to such registration statement or prospectus and shall not file
any thereof to which any such seller shall have delivered to the Company an
opinion of counsel that such amendment or supplement does not comply in all
material respects with the requirements of the Securities Act or of the rules
and regulations thereunder;
<PAGE>

                           (i)      provide and cause to be maintained a
transfer agent for all Registrable Securities covered by such registration
statement from and after a date not later than the effective date of such
registration statement;

                           (j)      use its reasonable efforts to list all
Registrable Securities covered by such registration statement on any securities
exchange on which any of the Registrable Securities is then listed; and

                           (k)      refrain from making any sale or distribution
of any equity securities of the Company, except pursuant to any employee stock
option plan and any preexisting agreement for the sale of such securities, for
at least ninety (90) days after the closing of the public offering pursuant to
such registration.

                  It shall be a condition precedent to the obligations of the
Company to take any action with respect to registering a holder's Registrable
Securities pursuant to this Section 7.6 that such seller of Registrable
Securities as to which any registration is being effected furnish the Company in
writing such information regarding such seller, the Registrable Securities and
other securities of the Company held by such seller, and the distribution of
such securities as the Company may from time to time reasonably request in
writing. If a holder refuses to provide the Company with any of such information
on the grounds that it is not necessary to include such information in the
registration statement, the Company may exclude such holder's Registrable
Securities from the registration statement if the Company provides such holder
with an opinion of counsel to the effect that such information must be included
in the registration statement and such holder thereafter continues to withholder
such information. The deletion of such holder's Registrable Securities from a
registration statement shall not affect the registration of the other
Registrable Securities to be included in such registration statement.

                  Each holder of Registrable Securities agrees by acquisition of
such Registrable Securities that upon receipt of any notice from the Company of
the happening of any event of the kind described in Section 7.6(g), such holder
will forthwith discontinue such holder's disposition of Registrable Securities
pursuant to the registration statement relating to such Registrable Securities
until such holder's receipt of the copies of the supplemented or amended
prospectus contemplated by Section 7.6(g) and, if so directed by the Company,
will deliver to the Company (at the Company's expense) all copies, other than
permanent file copies then in such holder's possession, of the prospectus
relating to such Registrable Securities current at the time of receipt of such
notice.

                  7.7      UNDERWRITTEN OFFERINGS.

                  If the Company at any time proposes to register any of its
securities under the Securities Act as contemplated by Section 7.4 or Section
7.5 and such securities are to be distributed by or through one or more
<PAGE>

underwriters, the Company will, if requested by any holder of Registrable
Securities as provided in Section 7.4 or Section 7.5 and subject to the
provisions of Section 7.5(b), arrange for such underwriters to include all the
Registrable Securities to be offered and sold by such holder owning the
securities to be distributed by such underwriters. In such event, the holders of
Registrable Securities to be distributed by such underwriters shall be parties
to the underwriting agreement between the Company and such underwriters. Any
such holder shall not be required to make any representations or warranties to
or agreements with the Company or the underwriters other than representations,
warranties or agreements regarding such holder, such holder's Registrable
Securities or other securities of the Company, such holder's intended method of
distribution and any representations, warranties or agreements required by law.

                  7.8      PREPARATION; REASONABLE INVESTIGATION.

                  In connection with the preparation and filing of each
registration statement under the Securities Act pursuant to this Agreement, the
Company will give the holders of Registrable Securities registered under such
registration statement, their underwriters, if any, and one counsel or firm of
counsel and one accountant or firm of accountants representing all the holders
of Registrable Securities to be registered under such registration statement,
the opportunity to participate in the preparation of such registration
statement, each prospectus included therein or filed with the Commission, and
each amendment thereof or supplement thereto, and will give each of them such
access to its books and records and such opportunities to discuss the business
of the Company with its officers and the independent public accountants who have
certified its financial statements as shall be necessary, in the opinion of such
holders' and such underwriters' respective counsel, to conduct a reasonable
investigation within the meaning of the Securities Act.

                  7.9      INDEMNIFICATION.

                           (a)      Indemnification by the Company.  In the
event any Registrable Securities are included in a registration statement under
this Section 7, to the extent permitted by law, the Company will, and hereby
does, indemnify and hold harmless the seller of any Registrable Securities
covered by such registration statement, its directors and officers, each other
person who participates as an underwriter in the offering or sale of such
securities and each other person, if any, who controls such seller or any such
underwriter within the meaning of the Securities Act, against any losses,
claims, damages or liabilities, joint or several, to which such seller or any
such director or officer or underwriter or controlling person may become subject
under the Securities Act or otherwise, insofar as such losses, claims, damages
or liabilities (or actions or proceedings, whether commenced or threatened, in
respect thereof) arise out of or are based upon any untrue statement or alleged
untrue statement of any material fact contained in any registration statement
under which such securities were registered under the Securities Act, any
preliminary prospectus, final prospectus or summary prospectus contained
therein, or any amendment or supplement thereto, or any omission or alleged
omission to state therein a material fact required to be stated therein or
necessary to make the statements therein not misleading, and the Company will
reimburse such seller and each such director, officer, underwriter and
controlling person for any legal or any other expenses reasonably incurred by
them in connection with investigating or defending any such loss, claim,
liability, action or proceeding; provided that the Company shall not be liable
in any such case to the extent that any such loss, claim, damages, liability (or
action or proceeding in respect thereof) or expense arises solely out of or is
based solely upon an untrue statement or alleged untrue statement or omission or
alleged omission made in such registration statement, any such preliminary
prospectus, final prospectus, summary prospectus, amendment or supplement in
reliance upon and in conformity with written information furnished to the
<PAGE>

Company by such seller expressly for use in the preparation thereof, and
provided further that the Company shall not be liable to any person who
participates as an underwriter within or sale of Registrable Securities or any
other person, if any, who controls such underwriter within the meaning of the
Securities Act, in any such case to the extent that any such loss, claim,
damages, liability (or action or proceeding in respect thereof) or expense
arises out of such person's failure to send or give a copy of the final
prospectus, as the same may be then supplemented or amended, to the person
asserting an untrue statement or alleged untrue statement or omission or alleged
omission at or prior to the written confirmation of the sale of Registrable
Securities to such person if such statement or omission was corrected in such
final prospectus. Securities to such person if such statement or omission was
corrected in such final prospectus. Such indemnity shall remain in full force
and effect regardless of any investigation made by or on behalf of such seller
or any such director, officer, underwriter or controlling person and shall
survive the transfer of such securities by such seller.

                           (b)      Indemnification by the Sellers. The Company
may require, as a condition to including any Registrable Securities in any
registration statement filed pursuant to Section 7.6, that the Company shall
have received an undertaking satisfactory to it from the prospective seller of
such securities, to indemnify and hold harmless (in the same manner and to the
same extent as set forth in subdivision (a) of this Section 7.9) each
underwriter, each director of the Company, each officer of the Company and each
other person, if any, who controls the Company within the meaning of the
Securities Act, with respect to any statement or alleged statement in or
omission or alleged omission from such registration statement, any preliminary
prospectus, final prospectus or summary prospectus contained therein, or any
amendment or supplement thereto, if such statement or alleged statement or
omission or alleged omission was made in reliance upon and in strict conformity
with written information furnished to the Company by such seller expressly for
use in the preparation of such registration statement, preliminary prospectus,
final prospectus, summary prospectus, amendment or supplement; provided that
such prospective seller shall not be liable to any person who participates as an
underwriter in the offering or sale of Registrable Securities or any other
person, if any, who controls such underwriter within the meaning of the
Securities Act, in any such case to the extent that any such loss, claim,
damage, liability (or action or proceeding in respect thereof) or expense arises
out of such person's failure to send or give a copy of the final prospectus, as
the same may be then supplemented or amended, to the person asserting an untrue
statement or alleged untrue statement or omission or alleged omission at or
prior to the written confirmation of the sale of Registrable Securities to such
person if such statement or omission was corrected in such final prospectus.
Such indemnity shall remain in full force and effect, regardless of any
investigation made by or on behalf of any underwriter, the Company or any such
director, officer or controlling person and shall survive the transfer of such
securities by such seller. In no event shall the liability of any selling holder
of Registrable Securities under this Section 7.9(b) be greater in amount than
the dollar amount of the proceeds received by such holder upon the sale of the
Registrable Securities giving rise to such indemnification obligation.

                           (c)      Notices of Claims, etc.  Promptly after
receipt by an indemnified party of notice of the commencement of any action or
proceeding involving a claim referred to in the preceding subdivisions of this
Section 7.9, such indemnified party will, if a claim in respect thereof is to be
made against an indemnifying party, give written notice to the latter of the
<PAGE>

commencement of such action, provided that the failure of any indemnified party
is actually prejudiced by such failure to give notice. In case any such action
is brought against an indemnified party, unless in such indemnified party's
reasonable judgment a conflict of interest between such indemnified and
indemnifying parties shall exist in respect of such claim, the indemnifying
parties shall be entitled to participate in and to assume the defense thereof,
jointly with any other indemnifying party similarly notified to the extent that
it may wish, with counsel reasonably satisfactory to such indemnified party, and
after notice from the indemnifying party shall not be liable to such indemnified
party for any legal or other expenses subsequently incurred by the latter in
connection with the defense thereof other than reasonable costs of
investigation. No indemnifying party shall, without the consent of the
indemnified party, consent to entry of any judgment or enter into any settlement
which does not include as an unconditional term thereof the giving by the
claimant or plaintiff to such indemnified party of a release from all liability
in respect to such claim or litigation.

                           (d)      Other Indemnification.  Indemnification
similar to that specified in the preceding subdivisions of this Section 7.9
(with appropriate modifications) shall be given by the Company and each seller
of Registrable Securities with respect to any required registration or other
qualification of securities under any Federal or state law or regulation of any
governmental authority other than the Securities Act.

                           (e)      Indemnification Payments.  The
indemnification required by this Section 7.9 shall be made by periodic payments
of the amount thereof during the course of the investigation or defense, as and
when bills are received or expense, loss, damage or liability is incurred.

                           (f)      Contribution.  If the indemnification
provided for in this Section 7.9 from the indemnifying party is unavailable to
an indemnified party hereunder in respect of any losses, claims, damages,
liabilities or expenses referred to therein, then the indemnifying party, in
lieu of indemnifying such indemnified party, shall contribute to the amount paid
or payable by such indemnified party as a result of such loss, claims, damages,
liabilities or expenses in such proportion as is appropriate to reflect the
relative fault of the indemnifying party and indemnified parties in connection
with the actions which resulted in such losses, claims, damages, liabilities or
expenses, as well as any other relevant equitable considerations. The relative
fault of such indemnifying party and indemnified parties shall be determined by
reference to, among other things, whether any action in question, including any
untrue statement of material fact or things, whether any action in question,
including any untrue statement of material fact or omission or alleged omission
to state a material fact, has been made by, or relates to information supplied
by, such indemnifying party or indemnified parties, and the parties' relative
intent, knowledge, access to information and opportunity to correct or prevent
such action. The amount paid or payable by a party as a result of the losses,
claims, damages, liabilities and expenses referred to above shall be deemed to
include, subject to the limitations set forth in Section 7.9(c), any legal or
other fees or expenses reasonably incurred by such party in connection with any
investigation or proceeding.
<PAGE>

                           The parties hereto agree that it would not be just
and equitable if contribution pursuant to this Section 7.9(f) were determined by
pro rata allocation or by any other method of allocation which does not take
account of the equitable considerations referred to in the immediately preceding
paragraph. Notwithstanding the provisions of this Section 7.9(f), no underwriter
shall be required to contribute any amount in excess of the amount by which the
total price at which the Registrable Securities underwritten by it and
distributed to the public were offered to the public exceeds the amount of any
damages which such underwriter has otherwise been required to pay by reason of
such untrue or alleged untrue statement or omission or alleged omission, and no
selling holder shall be required to contribute any amount in excess of the
amount by which the total price at which the Registrable Securities of such
selling holder were offered to the public exceeds the amount of any damages
which such selling holder has otherwise been required by pay by reason of such
untrue statement or omission. No person guilty of fraudulent misrepresentation
(within the meaning of Section 11(f) of the Securities Act) shall be entitled to
contribution from any person who was not guilty of such fraudulent
misrepresentation.

                           If indemnification is available under this

Section 7.9, the indemnifying parties shall indemnify each indemnified party to
the full extent provided in Section 7.9(a) through Section 7.9(e) without regard
to the relative fault of said indemnifying party or indemnified party or any
other equitable consideration provided for in this Section 7.9(f).

                  7.10     REPORTING REQUIREMENTS UNDER SECURITIES EXCHANGE ACT
                           OF 1934.

                  When it is first legally required to do so, the Company shall
register its Class A Stock under Section 12 of the Exchange Act (as hereinafter
defined) and shall keep effective such registration and shall timely file such
information, documents and reports as the Commission may require or prescribe
under Section 13 of the Exchange Act. From and after the effective date of the
first registration statement filed by the Company under the Securities Act, the
Company shall (whether or not it shall then be required to do so) timely file
such information, documents and reports which a corporation, partnership or
other entity subject to Section 13 or 15(d) (whichever is applicable) of the
Exchange Act is required to file.

                  Immediately upon becoming subject to the reporting
requirements of either Section 13 or 15(d) of the Exchange Act, the Company
shall forthwith upon request furnish any holder of Registrable Securities (i) a
written statement by the Company that it has complied with such reporting
requirements, (ii) a copy of the most recent annual or quarterly report of the
Company, and (iii) such other reports and documents filed by the Company with
the commission as such holder may reasonably request in availing itself of an
exemption from the sale of Registrable Securities without registration under the
Securities Act. The Company acknowledges and agrees that the purposes of the
requirements contained in this Section 7.10 are (i) to enable any such holder to
comply with the current public information requirement contained in Paragraph
(c) of Rule 144 under the Securities Act should such holder ever wish to dispose
of any of the securities of the Company acquired by it without registration
under the Securities Act in reliance upon Rule 144 (or any other similar
exemptive provision) and (ii) to qualify the Company for the use of registration
statements on Form S-3. In addition, the Company shall take such other measures
and file such other information, documents and reports, as shall hereafter be
required by the Commission as a condition to the availability of Rule 144 under
the Securities Act (or any similar exemptive provision hereafter in effect) and
the use of Form S-3. The Company also covenants to use its best efforts, to the
extent that it is reasonably within its power to do so, to qualify for the use
of Form S-3.
<PAGE>

                  7.11     SHAREHOLDER INFORMATION.

                  The Company may require each holder of Registrable Securities
as to which any registration is to be effected pursuant to this Section 7 to
furnish the Company such information in writing with respect to such holder and
the distribution of such Registrable Securities as the Company may from time to
time reasonably request in writing and as shall be required by law or by the
Commission in connection therewith.

                  7.12     FORMS.

                  All references in this Agreement to particular forms of
registration statements are intended to include, and shall be deemed to include,
references to all successor forms which are intended to replace, or to apply to
similar transactions as, the forms herein referenced.

         8.       ADJUSTMENTS OF EXERCISE PRICE AND NUMBER OF SECURITIES.

         The following adjustments apply to the Exercise Price of the
Representative's Warrants with respect to the Units. In the event the Exercise
Price per Unit so purchasable is adjusted, then the Exercise Price of the
Representative's Warrants relating to the Units purchasable thereunder shall be
adjusted in the same proportion.

                  8.1.     DISTRIBUTION OF SECURITIES.

                  In case the Company shall at any time after the date hereof
pay a dividend in shares of common stock or make any issuance or distribution in
shares of common stock or any securities convertible into or exercisable or
exchangeable for common stock (other than securities to employees of the Company
pursuant to an employee stock purchase or option plan that has been approved by
the Company's stockholders in which non-executive employees are eligible to
participate), then upon such dividend or distribution, the holder of
Representative's Warrants shall receive the amount of such dividend in shares of
common stock or the amount of such other distribution in shares of common stock
which would have otherwise been payable to such holder if it had been the holder
of record of common stock issuable upon exercise of its Representative's Warrant
on the record date for the determination of those entitled to such stock
dividend or distribution.

                  8.2.     SUBDIVISION AND COMBINATION.

                  In case the Company shall at any time subdivide or combine the
outstanding shares of common stock, the Exercise Price shall forthwith be
proportionately decreased in the case of subdivision or increased in the case of
combination.

                  8.3.     ADJUSTMENT IN NUMBER OF SECURITIES.

                  Upon each adjustment of the Exercise Price pursuant to the
provisions of this Article, the number of Units issuable upon the exercise of
each Representative's Warrant shall be adjusted to the nearest full number by
<PAGE>

multiplying a number equal to the Exercise Price in effect immediately prior to
such adjustment by the number Units issuable upon exercise of the
Representative's Warrants immediately prior to such adjustment and dividing the
product so obtained by the adjusted Exercise Price. Notwithstanding the
foregoing, in the case of adjustments to the exercise price of the
Representative's Warrants with respect to the warrants and/or the number of
warrants purchasable upon exercise of the Representative's Warrants, if an event
occurs that results in an adjustment of the number and/or price of the shares of
common stock issuable upon exercise of the Warrants pursuant to the Warrant
Agreement by and among the Company and the Representative, resulting in
automatic adjustment in the number and/or price of the Class A Stock underlying
the warrants issuable upon exercise of the Representative's Warrants pursuant to
Section 8.5 hereof, then the adjustment provided for in this Section shall not,
in such instance, result in any further adjustment in the aggregate number of
shares of Class A Stock ultimately issuable upon exercise of the
Representative's Warrants.

                  8.4.     RECLASSIFICATION, CONSOLIDATION, MERGER, ETC.

                  In case of any reclassification or change of the outstanding
shares of common stock (other than a change in par value to no par value, or
from no par value to par value, or as a result of a subdivision or combination),
or in the case of any consolidation of the Company with, or merger of the
Company into, another corporation (other than a consolidation or merger in which
the Company is the surviving corporation and which does not result in any
reclassification or change of the outstanding shares of common stock, except a
change as a result of a subdivision or combination of such shares or a change in
par value, as aforesaid), or in the case of a sale or conveyance to another
corporation of the property of the Company as an entirety, the Holders shall
thereafter have the right to purchase the kind and number of shares of stock and
other securities and property receivable upon such reclassification, change,
consolidation, merger, sale or conveyance as if the Holders were the owners of
both the Class A Stock and the underlying warrant Class A Stock immediately
prior to any such events.

                  8.5.     ADJUSTMENT OF UNDERLYING WARRANTS' EXERCISE PRICE AND
                           SECURITIES ISSUABLE UPON EXERCISE OF WARRANTS.

                  With respect to any of the warrants, whether or not the
warrants have been exercised and whether or not the warrants are issued and
outstanding, the exercise price for, and the number of shares of Class A Stock
issuable upon exercise of the warrants shall automatically be proportionately
adjusted in accordance with the Warrant Agreement, upon the occurrence of any of
the events described therein. Thereafter, until the next such adjustment or
until otherwise adjusted in accordance with this Section 8.5, the warrants shall
be exercisable at such adjusted exercise price and for such adjusted number of
shares of Class A Stock.

                  8.6.     DISTRIBUTION OF ASSETS.

                  In the event that the Company shall at any time prior to the
exercise of all Representative's Warrants or warrants make any distribution of
its assets to Holders of its common stock as a liquidating or a partial
liquidating dividend, then the Holder of Representative's Warrants and warrants
who exercises its Representative's Warrants or warrants after the record date
<PAGE>

for the determination of those Holders of common stock entitled to such
distribution of assets as a liquidating or partial liquidating dividend shall be
entitled to receive for the Representative's Warrant Price or warrant price per
Representative's Warrant or Warrant, in addition to each share of common stock,
the amount of such distribution (or, at the option of the Company, a sum equal
to the value of any such assets at the time of such distribution as determined
by the Board of Directors of the Company in good faith) which would have been
payable to such holder had he been the Holder of record of the common stock
receivable upon exercise of his Representative's Warrant or warrant on the
record date for the determination of those entitled to such distribution. At the
time of any such dividend or distribution, the Company shall make appropriate
reserves to ensure the timely performance of the provisions of this Subsection
8.6.

         9.       EXCHANGE AND REPLACEMENT OF WARRANT CERTIFICATES.

         Each Representative's Warrant Certificate or warrant certificate is
exchangeable, without expense, upon the surrender thereof by the registered
Holder at the principal executive office of the Company, for a new
Representative's Warrant certificate or warrant certificate of like tenor and
date representing, in the aggregate, the right to purchase the same number of
securities in such denominations as shall be designated by the Holder thereof at
the time of such surrender.

         Upon receipt by the Company of evidence reasonably satisfactory to it
of the loss, theft, destruction or mutilation of any Representative's Warrant
certificate or warrant certificate, and, in case of loss, theft or destruction,
of indemnity or security reasonably satisfactory to it, and reimbursement to the
Company of all reasonable expenses incidental thereto, and upon surrender and
cancellation of the Representative's Warrant certificate, or warrant
certificate, if mutilated, the Company will make and deliver a new
Representative's Warrant certificate or warrant certificate of like tenor, in
lieu thereof.

         10.      ELIMINATION OF FRACTIONAL INTERESTS.

         The Company shall not be required to issue certificates representing
fractions of Class A Stock or fractions of warrants upon the exercise of the
Representative's Warrants, nor shall it be required to issue scrip or pay cash
in lieu of fractional interests, it being the intent of the parties that all
fractional interests shall be eliminated by rounding any fraction up to the
nearest whole number of Class A Stock and warrants.

         11.      RESERVATION AND LISTING OF SECURITIES.

         The Company shall, at all times, reserve and keep available out of its
authorized Class A Stock of common stock, solely for the purpose of issuance
upon the exercise of the Representative's Warrants and the warrants, such number
of shares of Class A Stock as shall be issuable upon the exercise thereof. The
Company covenants and agrees that, upon exercise of the Representative's
Warrants and payment of the Exercise Price therefor, all Class A Stock issuable
upon such exercise shall be duly and validly issued, fully paid, non-assessable
and not subject to the preemptive rights of any shareholder. The Company further
covenants and agrees that upon exercise of the warrants and payment of the
respective warrant exercise price therefor, all Class A Stock for warrants
issuable upon such exercise shall be duly and validly issued, fully paid,
non-assessable and not subject to the preemptive rights of any shareholder. As
long as the Representative's Warrants shall be outstanding, the Company shall
use its best efforts to cause all Class A Stock issuable upon the exercise of
the Representative's Warrants and the warrants and all warrants to be listed on
or quoted by NASDAQ or listed on such national securities exchange, in the event
the common stock is listed on a national securities exchange.
<PAGE>

         12.      NOTICES TO WARRANT HOLDERS.

         Nothing contained in this Agreement shall be construed as conferring
upon the Holder or Holders the right to vote or to consent or to receive notice
as a shareholder in respect of any meetings of shareholders for the election of
directors or any other matter, or as having any rights whatsoever as a
shareholder of the Company. If, however, at any time prior to the expiration of
the Representative's Warrants and their exercise, any of the following events
shall occur:

                  (a) the Company shall take a record of the Holders of its
Class A Stock for the purpose of entitling them to receive a dividend or
distribution payable otherwise than in cash, or a cash dividend or distribution
payable otherwise than out of current or retained earnings, as indicated by the
accounting treatment of such dividend or distribution on the books of the
Company; or

                  (b) the Company shall offer to all the Holders of its Class A
Stock any additional shares of capital stock of the Company or securities
convertible into or exchangeable for shares of capital stock of the Company, or
any option, right or warrant to subscribe therefor; or

                  (c) a dissolution, liquidation or winding up of the Company
(other than in connection with a consolidation or merger) or a sale of all or
substantially all of its property, assets and business as an entirety shall be
proposed; or

                  (d) reclassification or change of the outstanding Class A
Stock (other than a change in par value to no par value, or from no par value to
par value, or as a result of a subdivision or combination), consolidation of the
Company with, or merger of the Company into, another corporation (other than a
consolidation or merger in which the Company is the surviving corporation and
which does not result in any reclassification or change of the outstanding Class
A Stock, except a change as a result of a subdivision or combination of such
shares or a change in par value, as aforesaid), or a sale or conveyance to
another corporation of the property of the Company as an entirety is proposed;
or

                  (e) the Company or an affiliate of the Company shall propose
to issue any rights to subscribe for Class A Stock or any other securities of
the Company or of such affiliate to all the shareholders of the Company; then,
in any one or more of said events, the Company shall give written notice to the
Holder or Holders of such event at least fifteen (15) days prior to the date
fixed as a record date or the date of closing the transfer books for the
determination of the shareholders entitled to such dividend, distribution,
<PAGE>

convertible or exchangeable securities or subscription rights, options or
warrants, or entitled to vote on such proposed dissolution, liquidation, winding
up or sale. Such notice shall specify such record date or the date of closing
the transfer books, as the case may be. Failure to give such notice or any
defect therein shall not affect the validity of any action taken in connection
with the declaration or payment of any such dividend or distribution, or the
issuance of any convertible or exchangeable securities or subscription rights,
options or warrants, or any proposed dissolution, liquidation, winding up or
sale.

         13.      WARRANTS.

         As set forth in Section 8.3 of this Agreement, the exercise price of
the warrants and the number of shares of Class A Stock issuable upon the
exercise of the warrants are subject to adjustment, whether or not the
Representative's Warrants have been exercised and the warrants have been issued,
in the manner and upon the occurrence of the events set forth in the Warrant
Agreement, which is hereby incorporated herein by reference and made a part
hereof as if set forth in its entirety herein. Subject to the provisions of this
Agreement and upon issuance of the warrants, each registered Holder of such
warrants shall have the right to purchase from the Company (and the Company
shall issue to such registered Holders) up to the number of fully paid and
non-assessable shares of Class A Stock underlying the warrants, free and clear
of all preemptive rights of shareholders, provided that such registered Holder
complies, in connection with the exercise of such Holder's warrants, with the
terms governing exercise of the Warrants set forth in the Warrant Agreement, and
pays the applicable exercise price, determined in accordance with the terms of
the Warrant Agreement. Upon exercise of the warrants, the Company shall
forthwith issue to the registered Holder of any such warrants, in such Holder's
name or in such name as may be directed by such Holder, certificates for the
number Class A Stock so purchased. The warrants shall be transferable in the
manner provided in the Warrant Agreement, and upon any such transfer, a new
warrant shall be issued promptly to the transferee. The Company covenants to,
and agrees with, each Holder that without the prior written consent of all the
Holders, the Warrant Agreement will not be modified, amended, canceled, altered
or superseded, and that the Company will send to each Holder, irrespective of
whether or not the warrants have been exercised, any and all notices required by
the Warrant Agreement to be sent to Holders of the Warrants.

         14.      NOTICES.

         All notices, requests, consents and other communications hereunder
shall be in writing and shall be deemed to have been duly made when delivered,
or mailed by registered or certified mail, return receipt requested:

                  (a) If to a registered Holder of the Representative's Warrants
or warrants, to the address of such Holder as shown on the books of the Company;
or

                  (b) If to the Company, to the address set forth in Section 3
of this Agreement or to such other address as the Company may designate by
notice to the Holders.

         15.      SUPPLEMENTS AND AMENDMENTS.

         The Company and the Representative may from time to time supplement or
amend this Agreement without the approval of any Holders of the Representative's
Warrants or warrants in order to cure any ambiguity, to correct or supplement
any provision contained herein which may be defective or inconsistent with any
provisions herein, or to make any other provisions in regard to matters or
questions arising hereunder which the Company and the Representative may deem
necessary or desirable and which the Company and the Representative deem not to
adversely affect the interests of the Holders of Representative's Warrant
certificates or warrant certificates.
<PAGE>

         16.      SUCCESSORS.

         All the covenants and provisions of this Agreement by or for the
benefit of the Company and the Holders inure to the benefit of their respective
successors and assigns hereunder.

         17.      TERMINATION.

         This Agreement shall terminate at the close of business on _________,
2005. Notwithstanding the foregoing, this Agreement will terminate on any
earlier date when all Representative's Warrants and warrants have been exercised
and all Warrant Securities have been resold to the public; provided, however,
that the provisions of Section 7.3 (a), (c), (d), (e) and (h) shall survive any
termination pursuant to this Section until the close of business on __________,
2006.

         18.      GOVERNING LAW.

         This Agreement and each Representative's Warrant certificate and
warrant certificate issued hereunder shall be deemed to be a contract made under
the laws of the State of Florida and for all purposes shall be construed in
accordance with the laws of said State.

         19.      BENEFITS OF THIS AGREEMENT.

         Nothing in this Agreement shall be construed to give to any person or
corporation other than the Company and the Representative and any other
registered Holder or Holders of the Representative's Warrant certificates or
warrant certificates any legal or equitable right, remedy or claim under this
Agreement; and this Agreement shall be for the sole and exclusive benefit of the
Company and the Representative and any other Holder or Holders of the
Representative's Warrant Certificates or warrant certificates.

         20.      COUNTERPARTS.

         This Agreement may be executed in any number of counterparts and each
of such counterparts shall for all purposes be deemed to be an original, and
such counterparts shall together constitute but one and the same instrument.
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed, as of the day and year first above written.

                                     BIO-AQUA SYSTEMS, INC.

                                     By:
                                     Name:
                                     Title:

                                     INSTITUTIONAL EQUITY CORPORATION

                                     By:
                                     Name:
                                     Title:

                                     CAPITAL WEST SECURITIES, INC

                                     By: ______________________________________
                                     Name: ____________________________________
                                     Title: ___________________________________

<PAGE>

EXHIBIT A

THE TRANSFER OR EXCHANGE OF THE REPRESENTATIVE'S WARRANTS REPRESENTED BY THIS
CERTIFICATE IS RESTRICTED IN ACCORDANCE WITH THE REPRESENTATIVE'S WARRANT
AGREEMENT REFERRED TO HEREIN.

               EXERCISABLE AT ANY TIME COMMENCING _________, 2001

                  UNTIL 5:00 P.M., EASTERN TIME, _______, 2005

                        _______ Representative's Warrants

                      REPRESENTATIVE'S WARRANT CERTIFICATE

         This Representative's Warrant Certificate certifies that
___________________________ or registered assigns, is the registered Holder of
__________ Representative's Warrants to purchase, at any time commencing
________, 20001 until 5:00 P.M. Eastern time on _______, 2005 (the "Expiration
Date"), up to 50,000 Units, consisting of 100,000 fully-paid and non-assessable
shares of the Class A Common Stock, par value $.0001 per share (the "Class A
Stock") of Bio-Aqua Systems, Inc., a Florida corporation (the "Company"), and
100,000 redeemable common stock purchase warrants, at an initial exercise price,
subject to adjustment in certain events (the "Exercise Price"), of $____ per
Unit, at an office or agency of the Company, but subject to the conditions set
forth herein and in the Representative's Warrant Agreement dated as of _______,
2000 between the Company and Institutional Equity Corporation. Payment of the
Exercise Price may be made in cash, or by certified or official bank check in
New York Clearing House funds payable to the order of the Company, or any
combination thereof.

         No Representative's Warrant may be exercised after 5:00 P.M., Eastern
time, on the Expiration Date, at which time all Representative's Warrants
evidenced hereby, unless exercised prior thereto, shall thereafter be void.

         The Representative's Warrants evidenced by this Representative's
Warrant Certificate are part of a duly authorized issue of Representative's
Warrants issued pursuant to the Representative's Warrant Agreement, which
Representative's Warrant Agreement is hereby incorporated by reference in and
made a part of this instrument and is hereby referred to in a description of the
rights, limitation of rights, obligations, duties and immunities thereunder of
the Company and the Holders (the words "Holder(s)" meaning the registered
Holders or registered Holder) of the Representative's Warrants.
<PAGE>

         The Representative's Warrant Agreement provides that upon the
occurrence of certain events, the Exercise Price and the type and/or number of
the Company's securities issuable thereupon may, subject to certain conditions,
be adjusted. In such event, the Company will, at the request of the Holder,
issue a new Representative's Warrant Certificate evidencing the adjustment in
the Exercise Price and the number and/or type of securities issuable upon the
exercise of the Representative's Warrants; provided, however, that the failure
of the Company to issue such new Representative's Warrant Certificate shall not
in any way change, alter, or otherwise impair, the rights of the Holder as set
forth in the Representative's Warrant Agreement.

         This Representative's Warrant Certificate may be divided or combined
with other Representative's Warrant Certificates of other denominations upon
surrender hereof at an office or agency maintained by the Company for such
purpose, together with a written notice specifying the names and denominations
(in whole Representative's Warrants) in which new Representative's Warrant
Certificates are to be issued, signed by the Holder thereof or his duly
authorized attorney, together with the funds to pay any transfer, documentary,
stamp or other taxes or government charges payable in connection with such
transfer and any other amounts required pursuant to this Representative's
Warrant Certificate. Upon such surrender and payment, a new Representative's
Warrant Certificate or Certificates representing a like aggregate number of
Representative's Warrants shall be issued and delivered in accordance with such
notice.

         Upon the exercise of less than all of the Representative's Warrants
evidenced by this Certificate, the Company shall forthwith issue to the Holder
hereof a new Representative's Warrant Certificate representing such number of
unexercised Representative's Warrants.

         The Company may deem and treat the registered Holder(s) hereof as the
absolute owner(s) of this Representative's Warrant Certificate (notwithstanding
any notation of ownership or other writing hereon made by anyone), for the
purpose of any exercise hereof, and of any distribution to the Holder(s) hereof,
and for all other purposes, and the Company shall not be affected by any notice
to the contrary.

         All terms used in this Representative's Warrant Certificate which are
defined in the Representative's Warrant Agreement shall have the meanings
assigned to them in the Representative's Warrant Agreement.

         IN WITNESS WHEREOF, the Company has caused this Representative's
Warrant Certificate to be duly executed under its corporate seal.

Dated: ___________, 2000

                                              BIO-AQUA SYSTEMS, INC.

                                              By:
                                              Name:
                                              Title:

<PAGE>

EXHIBIT B

THE TRANSFER OR EXCHANGE OF THE WARRANTS REPRESENTED BY THIS CERTIFICATE IS
RESTRICTED IN ACCORDANCE WITH THE WARRANT AGREEMENT REFERRED TO HEREIN.

               EXERCISABLE AT ANY TIME COMMENCING _________, 2000

                  UNTIL 5:00 P.M., EASTERN TIME, _______, 2005

No. W-_____       _________ Warrants

                               WARRANT CERTIFICATE

         This warrant Certificate certifies that ______________________ , or
registered assigns, is the registered Holder of _________________________
(_______) warrants to purchase, at any time until 5:00 P.M. Eastern time on
_______, 2005 ("Expiration Date"), an aggregate of up to 100,000 shares of Class
A Common Stock, par value $.0001 per share (the "Class A Stock"), of Bio-Aqua
Systems, Inc., a Florida corporation (the "Company"), at an initial exercise
price, subject to adjustment in certain events (the "Exercise Price"), of
$______ per Share, upon surrender of this warrant Certificate and payment of the
Exercise Price at an office or agency of the Company, but subject to the
conditions set forth herein and in the Representative's Warrant Agreement dated
as of _______, 2000 between the Company and Institutional Equity Corporation
(the "Representative's Warrant Agreement"). Payment of the Exercise Price may be
made in cash, or by certified or official bank check in New York Clearing House
funds payable to the order of the Company, or any combination thereof.

         The warrants issuable upon exercise of the Representative's Warrants
will be exercisable at any time from _______, 2001 (or such earlier date on
which the Representative consents to the exercise of the Public Warrants (as
defined in the Representative's Warrant Agreement which is hereinafter defined)
until 5:00 P.M. Eastern time _______, 2005 each warrant entitling the Holder
thereof to purchase one fully-paid and non-assessable share of Class A Stock of
the Company, at an initial exercise price, subject to adjustment in certain
events, of $_____ per share. The warrants are issuable pursuant to the terms and
provisions of a certain agreement dated as of _________, 2000 by and among the
Company and Institutional Equity Corporation (the "Representative's Warrant
Agreement"). The Representative's Warrant Agreement is hereby incorporated by
reference in and made a part of this instrument and is hereby referred to
(except as otherwise provided in the Warrant Agreement) for a description of the
rights, limitations of rights, manner of exercise, anti-dilution provisions and
other provisions with respect to the warrants.

         No warrant may be exercised after 5:00 P.M., Eastern time, on the
Expiration Date, at which time all warrants evidenced hereby, unless exercised
prior thereto, shall thereafter be void.
<PAGE>

         The warrants evidenced by this warrant Certificate are part of a duly
authorized issue of warrants issued pursuant to the Representative's Warrant
Agreement, which Representative's Warrant Agreement is hereby incorporated by
reference in and made a part of this instrument and is hereby referred to in a
description of the rights, limitation of rights, obligations, duties and
immunities thereunder of the Company and the Holders (the words "Holders" or
"Holder" meaning the registered Holders or registered Holder) of the warrants.

         The Representative's Warrant Agreement provides that, upon the
occurrence of certain events, the Exercise Price and the type and/or number of
the Company's securities issuable thereupon may, subject to certain conditions,
be adjusted. In such event, the Company will, at the request of the Holder,
issue a new warrant Certificate evidencing the adjustment in the Exercise Price
and the number and/or type of securities issuable upon the exercise of the
warrants; provided, however, that the failure of the Company to issue such new
warrant Certificates shall not in any way change, alter, or otherwise impair the
rights of the Holder as set forth in the Representative's Warrant Agreement.

         This warrant Certificate may be divided or combined with other warrant
Certificates of other denominations upon surrender hereof at an office or agency
maintained by the Corporation for such purpose, together with a written notice
specifying the names and denominations (in whole warrants) in which new warrant
Certificates are to be issued, signed by the Holder thereof or his duly
authorized attorney, together with the funds to pay any transfer, documentary,
stamp or other taxes or government charges payable in connection with such
transfer and any other amounts required pursuant to this warrant Certificate.
Upon such surrender and payment, a new warrant Certificate or certificates
representing a like aggregate number of warrants shall be issued and delivered
in accordance with such notice.

         Upon the exercise of less than all of the warrants evidenced by this
Certificate, the Company shall forthwith issue to the Holder hereof a new
warrant Certificate representing such number of unexercised warrants.

         The Company may deem and treat the registered Holder(s) hereof as the
absolute owner(s) of this warrant Certificate (notwithstanding any notation of
ownership or other writing hereon made by anyone), for the purpose of any
exercise hereof, and of any distribution to the Holder(s) hereof, and for all
other purposes, and the Company shall not be affected by any notice to the
contrary.

         All terms used in this warrant Certificate which are defined in the
Representative's Warrant Agreement shall have the meanings assigned to them in
the Representative's Warrant Agreement.
<PAGE>

         IN WITNESS WHEREOF, the Company has caused this warrant Certificate to
be duly executed under its corporate seal.

Dated: _____________, 2000

                                                    BIO-AQUA SYSTEMS, INC.

                                                    By:
                                                    Name:
                                                    Title:

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