Pool Filter Replaces Unicel C-4999， Pleatco PRB100， Filbur FC-2397 Filter Cartridge for Swimming Pool and Spa<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Media Area 100 sq ft， 4 15/16" OD， Open Hole: 2 1/8" Top， Open Hole: 2 1/8" Bottom， 26 11/16" Long， AK-3053</li><li>Baleen Filters are made from Durable and Efficient USA Made Reemay Fabric - Washable Fabric Extends Your Filter's Life</li><li>100 sq. ft. In-Line Filter for Rainbow RTL 100， Dynamic Series II RTL/RCF-100， Dynamic Series III， RTL/RCF-100， Dynamic Series V， DSC-100， replacement of Unicel C-4999， Pleatco PRB100</li><li>Baleen Filters Top:Open Hole: 2 1/8" Bottom: Open Hole: 2 1/8"</li><li>Guaranteed Perfect Fit - Extremely Durable - Wash &amp; Reuse - Most Energy Efficient - Withstands High Pressures &amp; Temperatures</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31TboAfPZ2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31TboAfPZ2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-tkXyL6eL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41PkhHeL3SL.jpg" noproxy>