Baleen Filters 65 sq. ft. Pool Filter Replaces Unicel C-7465, Pleatco PSD65, Filbur FC-2730-Pool and Spa Filter Cartridges Model: AK-6041 Media Area 65 sq ft, 7 1/2" OD, Castle Top, Open Hole: 2 1/16" Bottom, 14 3/4" Long, AK-6041 1 Year Warranty - Baleen Filters are made from Durable and Efficient USA Made Reemay Fabric - Washable Fabric Extends Your Filter's Life 65 sq. ft. 7000 Series Cartridge for Sundance, replacement of Unicel C-7465, Pleatco PSD65 Baleen Filters Top: Castle Bottom: Open Hole: 2 1/16" Guaranteed Perfect Fit - Extremely Durable - Wash & Reuse - Most Energy Efficient - Withstands High Pressures & Temperatures