The Muskin FE-20 R is a compatible replacement for the following pool filter cartridges:
The Muskin Pools FE-20 Comp. Pool Filter Cartridge is a pool and spa filter cartridge measuring 6 1/4" in diameter and 8" in length with 2 3/8" Open top & bottom styles. Featuring 20 sq. ft. of media area, this compatible Muskin Spas filter purifies swimming pool & spa water.