Key Lander 2 Piece， Filter Cartridge Replaces Unicel- C-4625， Filbur- FC-2370， Pleatco- PRB25-IN-4<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Top &amp; bottom end cap: 2-1/8-inch inner diameter</li><li>Pleat count: 212</li><li>Filter media: Non-woven polyester</li><li>Filter area: 50 square feet</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51FJ-E0iVCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41tJvHOKeHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41nrOUyJuXL.jpg" noproxy>