Pool Filter 4-Pack 131 sq. ft. Pool Filter Replaces Unicel C-7494, C-7494-4, Pleatco PA131-4, Filbur FC-1227 Baleen Filters AK-60550-4 Media Area 131 sq ft, 7" OD, Open Hole: 3" Top, Open Hole: 3" Bottom, 32 13/16" Long, AK-60550 Baleen Filters are made from Durable and Efficient USA Made Reemay Fabric - Washable Fabric Extends Your Filter's Life 131 sq. ft. 7000 Series Cartridge for Hayward CX1280 RE SwimClear C5025, CX1260RE SwimClear C5020, Super StarClear C5000, Filter, replacement of Unicel C-7494, Pleatco PA131-4 Baleen Filters Top:Open Hole: 3" Bottom: Open Hole: 3" Guaranteed Perfect Fit - Extremely Durable - Wash & Reuse - Most Energy Efficient - Withstands High Pressures & Temperatures