The HW CX250-RE R is a compatible replacement for the following spa filters:
The Hayward CX250-RE Comp. Pool & Spa Filter Cartridge is a pool filter replacement that purifies swimming pool and spa water through 25 sq. ft. of media area. This compatible Hayward filter measures 7" x 9 13/16" with 3" Open top and bottom holes. This spa filter cartridge feature premium filter media for the reduction of contaminants and impurities.