The UNICEL 4CH-30RA R replaces the following pool and spa filters:
The Unicel 4CH-30RA Comp. Pool Water Filter Cartridge improves the quality of your pool and spa water through pleated media and 30 square feet of media. This spa filter cartridge measures 4 5/8" in diameter and 11 7/8" in length, and is constructed with Microban technology that fights the odors, bacteria, and mold growth. This Unicel pool filter, also known as the Filbur FC-0141M, has a 1 1/2" MPT bottom style and a Closed top hole with a Crescent Handle top style.