Sta-Rite Posi-Clear PXC-125 ALL AMERICAN Cartridge, Unicel C-8413, Pleatco PWWPC125B, Aladdin 22508, Filbur FC-2575, OEM 25230-0125S Replacement Swimming Pool Filter Cartridge PLEASE CHECK ... DOES YOUR CARTRIDGE MATCH THESE MEASUREMENTS??? LENGTH 28 3/16 inches...OUTER DIAMETER 8 15/16 inches ... INNER DIAMETER 4 inches // 4 oz...125 square feet...148 pleats Replacement Cartridge fits: Sta-Rite Posi-Clear PXC-125, Unicel C-8413, Pleatco PWWPC125B Aladdin 22508, Filbur FC-2575, OEM 25230-0125S MADE IN THE USA!!