Baleen Filters 25 sq. ft. Pool Filter Replaces Unicel C-7625, Pleatco PCM25-HD, Filbur FC-0610-Pool and Spa Filter Cartridges Model: AK-6073 Media Area 25 sq ft, 7" OD, Open Hole: 3" Top, Open Hole: 3" Bottom, 9 13/16" Long, AK-6073 1 Year Warranty - Baleen Filters are made from Durable and Efficient USA Made Reemay Fabric - Washable Fabric Extends Your Filter's Life 25 sq. ft. 7000 Series Cartridge for Swimquip Premier, replacement of Unicel C-7625, Pleatco PCM25-HD Baleen Filters Top: Open Hole: 3" Bottom: Open Hole: 3" Guaranteed Perfect Fit - Extremely Durable - Wash & Reuse - Most Energy Efficient - Withstands High Pressures & Temperatures