Exhibit (10.v)

Amendment No. 1 Effective as of February 24, 2003 (this  "Amendment") to Met-Pro
Corporation   Supplemental   Executive  Retirement  Plan  Established  Effective
February 1, 2000


Met-Pro  Corporation (the "Company")  established  effective  February 1, 2000 a
Supplemental  Executive Retirement Plan (the "Supplemental Plan") to provide for
the payment of supplementary retirement benefits to William L. Kacin (hereafter,
"Eligible Executive").

Section  8 of the  Supplemental  Plan  provides  that the  Board  may  amend the
Supplemental  Plan at any  time and from  time to  time,  provided  that no such
amendment may adversely  affect the accrued  benefit of the Eligible  Executive,
his surviving spouse or other beneficiaries, as more fully provided for therein.

All terms used but not defined in this  Amendment  shall have such meaning as is
ascribed to them in the Supplemental Plan.

By action taken on February 24, 2003,  the Board hereby amends the  Supplemental
Plan as follows:  the date  "February  24,  2003" shall be deemed to replace the
date  "January  31,  2004"  on page 3 of the  Supplemental  Plan  in the  column
entitled  "Continued   Employment  until",  with  the  effect  that  the  Vested
Percentage of the Eligible  Executive  shall be deemed to be 100% as of February
24, 2003.

Except to the extent set forth herein, the Supplemental Plan is unmodified,  and
remains in full force and effect.

Executed this 21st day of March, 2003, effective as of February 24, 2003.

MET-PRO CORPORATION

BY:/s/ Gary J. Morgan
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   Gary J. Morgan, Vice President--Finance



Witness:/s/ Marion Berkey
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         Marion Berkey
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