Exhibit
31.2




CERTIFICATION
OF THE CHIEF FINANCIAL OFFICER




PURSUANT
TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002




I, Bruce
G. Blackey, certify that:




1. 
I have reviewed this quarterly report on Form 10-Q of Clearfield,
Inc.;


2. 
Based on my knowledge, this quarterly report does not contain any untrue
statement of a material fact or omit to state a material fact necessary to make
the statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this
report;
  3. 
Based on
my knowledge, the financial statements, and other financial information included
in this quarterly report, fairly represent in all material respects the
financial condition, results of operations and cash flows of the registrant as
of, and for, the periods presented in this report;


4. 
Clearfield,
Inc.’s other certifying officers and I are responsible for establishing and
maintaining disclosure controls and procedures (as defined in Exchange Act Rules
13a – 15(e) and 15d – 15(e)) and internal control over financial reporting (as
defined in Exchange Act Rules 13a – 15(f) and 15d – 15(f)for Clearfield, Inc.
and we have:




a) 
Designed
such disclosure controls and procedures to ensure that material information
relating to Clearfield, Inc., including its consolidated subsidiaries, is made
known to us by others within those entities, particularly during the period in
which this report is being prepared;




b) 
Designed
such internal control over financial reporting, or caused such internal control
over financial reporting to be designed under our supervision, to provide
reasonable assurance regarding the reliability of financial reporting and the
preparation of financial statements for external purposes in accordance with
generally accepted accounting principles;




c) 
Evaluated
the effectiveness of our disclosure controls and procedures as of a date and
presented in this quarterly report our conclusions about the effectiveness of
the disclosure controls and procedures as of the end of the period covered by
this report based on our evaluation.




d) 
Disclosed
in this report any change in Clearfield, Inc.’s internal control over financial
reporting that occurred during the most recent fiscal quarter that has
materially affected, or is reasonably likely to materially affect, the Company’s
control over financial reporting.




5. 
Clearfield,
Inc.’s other certifying officers and I have disclosed, based on our most recent
evaluation of internal control over financial reporting, to our auditors and the
audit committee of our board of directors:




a) 
All
significant deficiencies and material weaknesses in the design or operation of
internal controls over financial reporting which are reasonably likely to
adversely affect Clearfield, Inc.’s ability to record, process, summarize and
report financial information; and




b) 
Any
fraud, whether or not material, that involves management or other employees who
have a significant role in the registrant’s internal controls over financial
reporting.




May
      11, 2009
              
              /s/
      Bruce G. BlackeyBruce
      G. Blackey, Chief Financial Officer(Principal
      Financial and Accounting Officer and Duly Authorized
    Officer)


















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