Baleen Filters 120 sq. ft. Pool Filter Replaces Unicel C-8412, Pleatco PA120, Filbur FC-1293-Pool and Spa Filter Cartridges Model: AK-7005-2 2 Pack Media Area 120 sq ft, 8 15/16" OD, Open Hole: 4" Top, Open Hole: 4" Bottom, 23 5/16" Long, AK-7005 Baleen Filters are made from Durable and Efficient USA Made Reemay Fabric - Washable Fabric Extends Your Filter's Life 120 sq. ft. 8000 Series Cartridge for Hayward StarClear Plus C1200 Filter, replacement of Unicel C-8412, Pleatco PA120 Baleen Filters Top:Open Hole: 4" Bottom: Open Hole: 4" Guaranteed Perfect Fit - Extremely Durable - Wash & Reuse - Most Energy Efficient - Withstands High Pressures & Temperatures