Unicel 4CH-30 Replacement Filter Cartridge for 30 Square Foot Top Load<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diameter: 4 5/8-inch; length: 11 7/8-inch</li><li>Top end cap: molded cone handle， 0-inch inner diameter; bottom end cap: 1-1/2-inch male thread/mpt， 0-inch inner diameter</li><li>Pleat count: 158; filter media: 4-ounce reemay 2040; filter area: 30 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/415JBFqjJSL.jpg" noproxy>