This replacement filter cartridge replaces Unicel # C-4405, Pleatco # PRB25 SF PR and Filbur # FC-2387 while complies with OEM # R173433 specifications. This filter cartridge can handle the top load of 50 square foot and is the best fit for Beachcomber, Catalina, Caribbean spas, Legend Spas, Waterway Pl, Moose Mountain Spas (Canada), Sunrise Spas, Signature Spas, Thermo Spas of Connecticut, Arizona Pacific, Pentair Pool Products-Rainbow Pl, Diamante spas, US Tooling & Spa, Starlight spas, Lifestyle Spas, Discovery Spas, Freedom Spas, Clearwater Spas, Diamond Back Spas, Grecian Spas, Arizona Pacific. This 6 5/8 inch long and 4 15/16 inch wide filter cartridge has 2 1/8 inch open holes both at the top as well as bottom. By installing this filter cartridge you get clean and clear water for your pools and spas free from sand and germs.
Interchangeable Part Numbers