The Unicel C-4310RA R is a compatible replacement for the following pool and spa filters:
The Unicel C-4310RA Comp. Pool & Spa Water Filter is constructed with 10 sq. ft. of pleated Reemay filter media to improve the clarity and quality of your swimming pool/spa water. This compatible Unicel spa filter, also known as the Filbur FC-3077M, measures 2 3/4" x 3 11/16" with a 3" Handle 123 top style and 3 1/2" Color Correct bottom style. This pool filter cartridge featurs Microban antimicrobial protection.