Mirro Pressure Cooker and Canner Model “522 M”. Parts List for Mirro Matic “522 M” Pressure Cooker. Mirro® parts for the Mirro® model “522 M” may be ordered on-line using the links below. Mirro 9882 Gasket 9882$14.99 Mirro 9898 Pressure Regulator 9898$17.95 Mirro 9894 Vent Tube 9894$9.95 Mirro 9888 Metal safety fuse M9888$7.99 11 1/8 in.dia. Canning Rack 707$11.49 Mirro 9732 Fuse Over Pressure Plug 9732Regular price: $2.99Sale price: $2.00 Mirro 9709 Lift Pin S-9709$5.99 Mirro Pressure Canner Model “522 M”. *Orders placed before 2:00 PM ET will ship same day. Orders placed after 2:00 PM will ship next business day! * IN STOCK ITEMS