Pool Filter Replaces Unicel 6CH-502 Filter Cartridge for Swimming Pool and Spa Media Area 50 sq ft, 6 3/4" OD, Semi Circular Handle Top, Open Hole: 2" Bottom, 8" Long, AK-90161 1 Year Warranty - Baleen Filters are made from Durable and Efficient USA Made Reemay Fabric - Washable Fabric Extends Your Filter's Life 50 sq. ft. Top Load Filter for Artesian Cartridge, replacement of Unicel 6CH-502, Pleatco PAS50SV-F2M Baleen Filters Top: Semi Circular Handle Bottom: Open Hole: 2" Guaranteed Perfect Fit - Extremely Durable - Wash & Reuse - Most Energy Efficient - Withstands High Pressures & Temperatures