MET-PRO CORPORATION

                                                                    Exhibit 99.1


                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002




In connection  with the Quarterly  Report on Form 10-Q for the period ended July
31, 2002 of Met-Pro Corporation (the "Company") as filed with the Securities and
Exchange  Commission  on the date hereof (the  "Report"),  I,  William L. Kacin,
Chief Executive Officer of the Company,  certify,  pursuant to 18 U.S.C. Section
1350,  as adopted  pursuant  to Section 906 of the  Sarbanes-Oxley  Act of 2002,
that:


(1)  The Report fully complies with the  requirements  of Section 13(a) or 15(d)
     of the Securities Exchange Act of 1934; and

(2)  The information  contained in the Report fairly  presents,  in all material
     respects, the financial condition and results of operations of the Company.




   /s/ William L. Kacin
   -----------------------------------
   William L. Kacin
   Chief Executive Officer
   September 9, 2002