The Unicel C-4401RA R is a compatible replacement for the following pool and spa filter cartridges:
The Unicel C-4401RA Comp. Replacement Pool Filter is constructed with pleated Reemay filter media and reinforced antimicrobial end caps. This pool filter cartridge also features Microban antimicrobial technology to fight mold and mildew growth. This compatible Unicel pool filter, also known as the Filbur FC-2386M, measures 4 15/16" x 4 5/8" with 2 1/8" Open top/bottom styles and 35 sq. ft. of media area.