Baleen Filters 35 sq. ft. Pool Filter Replaces Unicel 6CH-352, Pleatco , Filbur FC-0312-Pool and Spa Filter Cartridges Model: AK-90131 Media Area 35 sq ft, 6" OD, Semi Circular Handle Top, MPT 2" Bottom, 8" Long, AK-90131 1 Year Warranty - Baleen Filters are made from Durable and Efficient USA Made Reemay Fabric - Washable Fabric Extends Your Filter's Life 35 sq. ft. Skim Filter for Artesian Cartridge, replacement of Unicel 6CH-352 Baleen Filters Top: Semi Circular Handle Bottom: MPT 2" Guaranteed Perfect Fit - Extremely Durable - Wash & Reuse - Most Energy Efficient - Withstands High Pressures & Temperatures