Exhibit (99.1)



                               MET-PRO CORPORATION


                            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 Annual  Report on Form 10-K for the  fiscal  year ended
January  31,  2003 of  Met-Pro  Corporation  (the  "Company")  as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Raymond
J. De Hont,  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/ Raymond J. De Hont
- --------------------------------
Raymond J. De Hont
Chief Executive Officer
April 28, 2003