Zodiac R0358000 O-Ring Replacement Kit for Select Zodiac D.E. and Cartridge Pool and Spa Filters O-ring replacement kit Fits Zodiac CV and CL series cartridge pool and spa filter models CV340, CV460, CV580, CL340, CL460, CL580 Also fits Zodiac Jandy DEV and DEL series D.E. pool and spa filter models DEV48, DEV60, DEL48, DEL60