Pentair Clean and Clear 200, R173217, 59054400, Unicel C-9419, Pleatco PAP200, Aladdin 29902, Filbur FC-0688 ALL AMERICAN 9004 Replacement Swimming Pool Filter Cartridge PLEASE DOUBLE CHECK ... DOES YOUR CARTRIDGE MATCH THESE MEASUREMENTS ??? LENGTH 31 1/8 inches, OUTER DIAMETER: 10 1/16 inches, INNER DIAMETER: 6 inches tolerance plus or minus 1/16" ... 200 square feet ... 234 pleats Replacement Cartridge fits: Pentair Clean & Clear Predator 200, R173217, 59054400 Unicel C-9419, Pleatco PAP200, Filbur RC-0688, MADE in the USA! ... When you make a purchase, you're supporting a small business with the entrepreneurial spirit that made America great!