The Saratoga PSG40N-M R is a compatible replacement for the following pool filters:
The Saratoga PSG40N-M Comp. Pool and Spa Filter is a spa filter that measures 4 5/8" x 15 1/4" with a 1 1/2" MPT bottom style. This spa filter cartridge features a Closed top hole with a Crescent Handle Blue top style. This compatible Saratoga Spa filter features 40 square feet of media area and Microban antimicrobial protection.