Unicel C-9403 Replacement Filter Cartridge for 150 Square Foot Waterway Clearwater， Rec. Warehouse<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diameter: 9 15/16-inch; length: 25 5/16-inch</li><li>Top end cap: open， 5 13/16-inch inner diameter; bottom end cap: open， 6-1/16-inch inner diameter</li><li>Pleat count: 218; filter media: 4-ounce reemay 2040; filter area: 150 square feet</li><li>Get more efficient filtration and better water clarity with Unicel filters</li><li>Longer time between cleanings; meets oem specifications</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41fS0so7fNL.jpg" noproxy>