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The Signature 5 x 13 R is a compatible replacement for the following pool filters:
The Signature Spas Compatible Spa Filter Replacement is a pool filter cartridge with 2 1/8" Open top/bottom styles. Measuring 4 15/16" x 13 5/16", this compatible Signature Spas filter replacement features 50 square feet of media area for the reduction of contaminants in pool/spa water.