Exhibit 10(n)



                                 AMENDMENT NO. 1
                                     TO THE
                  MET-PRO CORPORATION PENSION RESTORATION PLAN


This  amendment  to  the  Met-Pro  Corporation  Pension  Restoration  Plan  (the
"Restoration Plan") is made and effective this 4th day of April, 2001.

WHEREAS,  the  Board of  Directors  has  adopted  the  Restoration  Plan and the
Restoration Plan was thereafter approved by the Board of Directors on August 17,
2000.

WHEREAS,  Section 6 of the Plan  authorizes  the Board of Directors to amend the
Restoration Plan.

WHEREAS,  the Board of Directors  desires to amend the  Restoration  Plan in the
following manner:

          1.   Section 1 of the Restoration Plan is hereby deleted.

          2.   A new Section 1 is hereby added to the Plan as follows:

               "1.  Purposes. The Restoration Plan shall provide for the payment
                    of supplementary benefits primarily to compensate William L.
                    Kacin,  Raymond J. De Hont and Gary J. Morgan (the "Eligible
                    Executives") for the amount of the reduction, if any, in any
                    such person's  respective benefits under the Pension Plan on
                    account of the application of Section  401(a)(17) or Section
                    415 of the Code.."

Except as expressly  provided herein, the Restoration 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