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The Seahorse 5 x 13 R is a compatible replacement for the following pool filter cartridges:
The Seahorse Spas Comp Pool and Spa Filter Replacement improves the clarity and quality of swimming pool/spa water. This pool water filter reduces contaminants with its 50 sq. ft. of media area. This compatible Seahorse Spas filter cartridge measures 4 15/16" in diameter and 13 5/16" in length, along with 2 1/8" Open top/bottom holes.