Jandy CL-580 ALL AMERICAN Cartridge, Unicel C-7482, Pleatco PJan145, Aladdin 24501, Filbur FC-0820, OEM A0104100, R0357900 Replacement Swimming Pool Filter Cartridges 4 pack PLEASE CHECK ... DOES YOUR CARTRIDGE MATCH THESE MEASUREMENTS ??? LENGTH 33 inches ... OUTER DIAMETER 7 inches ... INNER DIAMETER 3 inches // 4 oz...145 square feet Replacement Cartridge fits: Jandy CL-580, OEM A0104100, R0357900, Unicel C-7482, Filbur FC-0820,Pleatco PJAN145, Aladdin 24501