The Marquis 370-216 R is a compatible replacement for the following spa filters:
The Marquis Spas 370-216 Comp. Pool & Spa Filter features premium filter media and 60 square feet of media area. This compatible Marquis Spas filter measures 5 3/16" x 19 5/8" and increases the quality of water in swimming pools & spas. This spa filter cartridge has a Closed top hole with Loop and 1 5/8" Open bottom hole.