Unicel C-4607 Replacement Filter Cartridge for Coleco F-120/DR-7, Krystal Klear Models 108R/12, Intex Sand-n-sun, Wet Set, Easy Set Size A or C, Aqua Leisure Size 2 Diameter: 4 1/4-inch; length: 8-inch Top end cap: open, 1 15/16-inch inner diameter; bottom end cap: open, 1 15/16-inch inner diameter Pleat count: 51; filter media: 4-ounce reemay 2040; filter area: 5 square feet Get more efficient filtration and better water clarity with Unicel filters Longer time between cleanings; meets oem specifications