The GPM Ind 25 R is a compatible replacement for the following pool filters:
The GPM Industries 25 Square Ft Comp. Pool Filter purifies water in swimming pools and spas through contaminant reduction. This spa filter cartridge measures 4 15/16" in diameter x 13 5/16" in length with 2 1/8" Open top and bottom holes. In addition, this compatible GPM Industries filter has a media area of 25 square feet.