The Unicel C-8417 R is a compatible replacement for the following pool filters:
The Unicel Comp. Replacement Pool Filter C-8417 is a pool filter replacement with 4" Open top and bottom holes. This compatible Unicel pool filter measures 8 15/16" x 28 3/16" and has media weight of 4 oz. This pool filter cartridge is constructed with 175 sq. ft. of media area.