The UNICEL 6CH-502 R replaces the following pool water filters:
The Unicel 6CH-502 Comp. Pool Water Filter Cartridge is constructed with sharp pleat folds to trap debris and improve the water quality of swimming pools and spas. This pool filter cartridge, also known as the Filbur FC-0311, measures 6 3/4" x 8" with a 2" MPT bottom style. This Unicel pool filter is constructed with 50 sq. ft. of media area and has a closed Crescent Handle top.