Unicel C-9480 Replacement Filter Cartridge for 80 Square Foot Jacuzzi Brothers Diameter: 10-inch; length: 14 9/16-inch Top end cap: bar handle, 0-inch inner diameter; bottom end cap: open, 6 0/0-inch inner diameter Pleat count: 200; filter media: 4-ounce reemay 2040; filter area: 80 square feet Get more efficient filtration and better water clarity with Unicel filters Longer time between cleanings; meets oem specifications