Unicel C-8319 Replacement Filter Cartridge for 200 Square Foot Hayward CC2000 Diameter: 8 15/16-inch; length: 29 7/16-inch; width: 0 0/16-inch Top end cap: open with molded gasket, 4 0/0-inch inner diameter; bottom end cap: open with molded gasket, 4 0/0-inch inner diameter Pleat count: 226; filter media: 3-ounce reemay 2033; filter area: 200 square feet Get more efficient filtration and better water clarity with Unicel filters Longer time between cleanings; meets oem specifications