Document:

Exhibit 10(c)

                                 AMENDMENT NO. 1
                                     TO THE
                   MET-PRO CORPORATION 1992 STOCK OPTION PLAN

This amendment to the Met-Pro Corporation 1992 Stock Option Plan (the "Plan") is
made and approved this 4th day of April, 2001.

WHEREAS, the Board of Directors has adopted the Plan, and the Plan was
thereafter approved by the stockholders.

WHEREAS, Section 15 of the Plan authorizes the Board of Directors to amend the
Plan.

WHEREAS, the Board desires to amend the Plan to permit the Board to determine
the manner in which payment of the exercise price of options granted under the
Plan shall be made.

NOW, THEREFORE, the Plan is hereby amended in the following manner:

     1.   The second sentence of Section 11 (b) of the Plan is hereby deleted.

     2.   A new second sentence of Section 11 (b) of the Plan is hereby added to
          the Plan as follows:

          "Such notice shall be accompanied by payment of the full option price
          of such shares in the form of a check payable to the order of the
          Company, or by payment of the full option price of such shares in such
          other form as the Board may from time to time determine."

     Except as expressly provided for herein, the Plan as amended remains in
     force and effect, unamended and unmodified.

     IN WITNESS WHEREOF, the Company has caused its authorized officer to
execute this Amendment on behalf of the Company.

     WITNESS                                MET-PRO CORPORATION

                                            By: /s/ William L. Kacin
--------------------------------               ---------------------------------
                                                William L. Kacin
                                                Chief  Executive Officer

<PAGE>Exhibit 10(d)

                                 AMENDMENT NO. 1
                                     TO THE
                   MET-PRO CORPORATION 1997 STOCK OPTION PLAN

This amendment to the Met-Pro Corporation 1997 Stock Option Plan (the "Plan") is
made and approved this 4th day of April, 2001.

WHEREAS,  the  Board  of  Directors  has  adopted  the  Plan,  and the  Plan was
thereafter approved by the stockholders on June 4, 1997.

WHEREAS,  Section 15 of the Plan  authorizes the Board of Directors to amend the
Plan.

WHEREAS, the Board of Directors has previously amended the Plan by action of the
Board to provide for an extended exercise date for certain  non-qualified  stock
options following the retirement of certain non-employee Directors.

WHEREAS,  the Board now desires to amend the Plan generally to provide the Board
with the  authority to determine  the  expiration  date of  non-qualified  stock
options following the cessation of services by optionholders  under the Plan, as
well as to grant the Board with the  authority to determine  the manner in which
payment of the exercise price may be made.

NOW, THEREFORE, the Plan is hereby amended in the following manner:

     1.   The Board ratifies action previously taken by the Board with regard to
          an extended  expiration  date of certain  non-qualified  stock options
          granted to certain  non-employee  Directors following their retirement
          from the Board.

     2.   Section 7(c) of the Plan is hereby deleted.

     3.   A new Section 7(c) is hereby added to the Plan as follows:

          "(c) A Nonstatutory Stock Option granted under the Plan may be of such
          duration,  not longer than ten (10) years,  as shall be  determined by
          the  Committee,  and shall be subject to such earlier  termination  as
          determined from time to time by the Board."

     4.   The  provisions  of  Section  10  shall  not be  deemed  to  apply  to
          non-statutory  stock  options,  and shall be  deemed to apply  only to
          incentive stock options.  Any references in Section 10 to non-employee
          Directors shall be deemed stricken and shall be of no effect.

     5.   Section  11 (b) (ii) is  amended  to  delete  the word "or" at the end
          thereof; Section 11 (b) (iii) is amended to substitute the period with
          which it ends with a  semicolon,  and to add the word  "or"  following
          such semicolon; and a new Section 11 (b)(iv) is added as follows:

          "(iv) By such  other  means of  payment  as the Board may from time to
          time determine."

     Except as  expressly  provided for herein,  the Plan as amended  remains in
     force and effect, unamended and unmodified.

IN WITNESS  WHEREOF,  the Company has caused its  authorized  officer to execute
this Amendment on behalf of the Company.

         WITNESS                             MET-PRO CORPORATION

                                             By: /s/ William L. Kacin
---------------------------                     --------------------------------
                                                William L. Kacin
                                                Chief Executive OfficerExhibit 10(e)

                      KEY EMPLOYEE SEVERANCE PAY AGREEMENT

     This agreement is made effective as of October 12th, 1995,  between MET-PRO
CORPORATION,  a Delaware corporation with principal offices at 160 Cassell Road,
Box  144,   Harleysville,   Pennsylvania,   (hereinafter   referred  to  as  the
"Corporation")  and WILLIAM L. KACIN,  of 451 Country Club Drive,  Lansdale,  PA
19446 (hereinafter referred to as the "Employee").

                                    RECITALS

     A. Employee has been employed by the  Corporation  since November 17, 1975.
During the period of his employment,  and particularly in his present  capacity,
he has performed his duties ably,  demonstrating  loyalty to the Corporation and
greatly benefiting it.

     B. In recognition of Employee's status as a key employee and to provide the
Employee with a deserved measure of security in the event of a change in control
of the Corporation, the Corporation is willing to enter into this Agreement.

     C. The Employee and the Corporation  believe that the benefits conferred by
this  Agreement  will  encourage  the  Employee  to  continue  his high level of
performance of his duties during the period of instability which could result if
hostile attempts to take control of the Corporation should occur.

     NOW, THEREFORE, the parties hereto hereby agree as follows:

     1. Definitions.

          (a) Change in Control. A change in control shall be deemed to have
     occurred as of the date on which either of the following events occurs:

               (i) Any "person" or "group of persons acting in concert", who are
          not part of the present Management, becomes the "beneficial owner,
          directly or indirectly, of securities of the Corporation representing
          thirty-five (35%) or more of the combined voting power of the
          Corporation's then outstanding securities; or

               (ii)  There  shall  be  a  change  in  the   composition  of  the
          Corporation's  Board of Directors so that a majority of the  Directors
          in office on the effective date of this Agreement no longer constitute
          a majority thereof; provided,  however, that any Director elected upon
          the recommendation of the present majority shall be considered to be a
          part of the present majority.

          (b) Person. A "Person" shall be as defined in the Securities  Exchange
     Act of 1934, as amended.

          (c) Beneficial Owner of Securities. A "Beneficial Owner of Securities"
     shall be as defined in Rule 13d-3 promulgated under the Securities Exchange
     Act of 1934, as amended.

          (d) Management.   "Management"   shall  mean   the  officers   of  the
     Corporation  in office at the  effective  date of this  Agreement  or their
     successors elected by a majority of the present Directors.

          (e) Compensation.   "Compensation"   shall  mean  the   annual  salary
     (exclusive of bonuses, sick leave, vacation pay or other extra compensation
     or  benefits)  being  paid to the  Employee  at the time  when a Change  in
     Control occurs or thereafter, whichever is higher.

                                       -1-
<PAGE>

          (f) Involuntary Termination of Employment. "Involuntary Termination of
     Employment" shall mean

               (i) Termination of employment without cause; or

               (ii) Termination of employment by the Employee as a result of a
          reduction in his status, or duties, or responsibilities, or rate of
          compensation, or the imposition of intolerable working conditions.

          (g) Cause. "Cause" for the purposes of Section 1(f)(i) shall mean
     conviction for a felony, commission of any act constituting common law
     fraud, habitual drunkenness or drug abuse, significant malfeasance or
     nonfeasance of duty or disloyalty to the Corporation.

     2. Severance Pay. In the event of a change in control of the Corporation
and the involuntary termination of Employee's employment within eighteen (18)
months thereafter, the Employee shall be entitled to receive severance pay equal
to two years' compensation, as defined herein. Such severance pay shall be due
and payable in full at the time of Employee's receipt of final payment of his
regular compensation.

     3. Continued  Performance by Employee.  In consideration of the granting of
benefits to him by this Agreement, Employee agrees:

          (a) That he will  continue  to use his best  efforts  to  perform  his
     duties as assigned by the Corporation; and

          (b) That, in the event a Change in Control is pending or threatened,
     he will not voluntarily terminate his employment by the Corporation prior
     to an actual Change in Control, but will continue to perform his duties in
     the same manner as with the same effort as he had employed prior to the
     occurrence of such events.

     4. Rights to Terminate  Employment.  This  Agreement  is not an  employment
agreement.  Nothing  contained  herein  shall be deemed to preclude  the present
management  of the  Corporation  or the  Employee  from  terminating  Employee's
employment, with or without cause, at any time.

     5. No  Obligation to Maintain  Reserves.  Nothing in this  Agreement  shall
obligate the  Corporation  to set aside or earmark any of its assets to fund the
obligation hereunder.

     6. Binding  Effect.  This Agreement  shall be binding upon and enure to the
benefit  of  the  parties  hereto,  their  heirs,   executors,   administrators,
successors and assigns.

     7. Applicable  Law. This Agreement shall be interpreted  under and governed
by the laws of the State of Delaware.

     IN WITNESS WHEREOF, the parties have executed this Agreement as of the date
first above written.

                                                    MET-PRO CORPORATION

 /s/ William L. Kacin                               By: /s/ Walter A. Everett
---------------------------                            -------------------------
                                                         Chairman
        Employee                                       [Corporation]

                                       -2-
<PAGE>

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