The Filbur FC-2387M replaces the following filter cartridges:
The Filbur FC-2387M Rainbow DSF 50 Pool & Spa Filter is a compatible replacement pool and spa water filter that protects your cartridge against the build-up of bacteria. This Filbur pool filter also protects the cartridge against fouling and your water from contamination through Microban technology that reduces odors, algae, and mold. This compatible Rainbow/Pentair DSF50 filter's Reemay filtration fabric is very strong and durable, and will not wash or wear away.
Filbur FC-2387M Rainbow DSF 50 Pool & Spa Filter specifications: