Baleen Filters 95 sq. ft. Pool Filter Replaces Unicel C-4995, Pleatco PCAL100, Filbur FC-2940-Pool and Spa Filter Cartridges Model: AK-3052 Media Area 95 sq ft, 4 15/16" OD, Open Hole: 2 1/8" Top, Open Hole: 2 1/8" Bottom, 23 5/8" Long, AK-3052 1 Year Warranty - Baleen Filters are made from Durable and Efficient USA Made Reemay Fabric - Washable Fabric Extends Your Filter's Life 95 sq. ft. Top Load In-Line Filter for Acryx-Maax (Canada), Statewood, Waterway Plastics, replacement of Unicel C-4995, Pleatco PCAL100 Baleen Filters Top: Open Hole: 2 1/8" Bottom: Open Hole: 2 1/8" Guaranteed Perfect Fit - Extremely Durable - Wash & Reuse - Most Energy Efficient - Withstands High Pressures & Temperatures