The Unicel C-4405RA R is a compatible replacement for the following pool and spa filter cartridges:
The Unicel C-4405RA Comp. Pool & Spa Pleated Filter is constructed with pleated Reemay filter media and reinforced antimicrobial end caps, as well as Microban antimicrobial protection for the prevention of mold, mildew, and fungus growth. This pool filter cartridge improves water clarity and quality through 50 square feet of premium media. This compatible Unicel spa filter, also known as the Filbur FC-2387M, measures 4 15/16" x 6 5/8" with 2 1/8" Open top and bottom styles.