The Intex 58600 R is a compatible replacement for the following pool and spa filter cartridges:
The Intex 58600 Comp. Replacement Pool & Spa Filter is a spa filter cartridge that purifies the water in your swimming pool and spa. Featuring filter area of 5 sq. ft., this compatible Intex Spas filter measures 4 3/4" x 8", and has 1 15/16" Open top & bottom holes.