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The Diamond 5 x 13 R is a compatible replacement for the following pool and spa filters:
The Diamond Spas Comp. Pool and Spa Filter Replacement is a replacement pool and spa water filter cartridge featuring 50 square feet of media area. This compatible Diamond Spas filter has dimensions of 4 15/16" x 13 5/16" with 2 1/8" Open top/bottom styles. With this spa filter replacement you will have cleaner and fresher pool/spa water with less contaminants.