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