The Four Winds 25 R is a compatible replacement for the following pool filters:
The Four Winds 25 Square Ft Comp. Pool and Spa Filter purifies the water in swimming pools and spas by reducing contaminants. 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 Four Winds spa filter replacement has a media area of 25 square feet.