Zodiac R0554500 85-Square-feet Filter Cartridge Replacement for Select Zodiac Jandy Pool and Spa Cartridge Filters Filter cartridge replacement Fits Zodiac Jandy pool and spa cartridge filter models CV340, CV460, CV580, CL340, CL460, CL580 Single cartridge covers 85-square-feet area Four filter cartridges cover 320-square-feet pool area