PACK of 2 Hayward CX760RE Series C751 817-0075NP ALL AMERICAN Cartridge, Unicel C8411, StaRite PosiClear PXC75 25230-0075S, Aladdin 17530, Waterway ProClean 75, Pleatco PA76, Filbur FC-1255 Replacement Swimming Pool Filter Cartridge PLEASE CHECK ... DOES YOUR CARTRIDGE MATCH THESE MEASUREMENTS ??? LENGTH: 17 3/8 inches ... OUTER DIAMETER: 8 15/16 inches ... INNER DIAMETER: 4 inches // 4 oz...75 square feet ... 145 PLEATS Replacement Cartridge fits: Hayward CX760RE, Sta-Rite Posi-Clear PXC-75, Unicel C-8411 Pleatco PA 76, Aladdin 17530, Waterway Pro Clean 75, Clearwater II 75 MADE IN THE USA!