Hayward CX1200RE, Unicel C-8412, Star Clear Plus C-1200, Pleatco PA120, Filbur FC-1293, All American Cartridge 8002 Replacement Swimming Pool Filter Cartridge PLEASE DOUBLE CHECK ... DOES YOUR CARTRIDGE MATCH THESE MEASUREMENTS ??? LENGTH: 23 3/8 in, OUTER DIAMETER: 8 15/16 in, INNER DIAMETER: 4 in. // 120 square feet ... 172 pleats Replacement Cartridge fits: Hayward CX1200RE, Unicel C-8412, Pleatco PA120, Star Clear Plus C-1200, Filbur FC-1293, Aladdin 22002, All American 8002 MADE IN THE USA! When you make a purchase, you're supporting a small business with the entrepreneurial spirit that made America great!