Zodiac R0552000 Tank Adapter with O-Ring and Union Replacement Kit for Select Zodiac Jandy Pool and Spa Cartridge Filters Tank adapter with O-ring and union replacement Fits Zodiac Jandy DEV series D.E filter models DEV48, DEV 60 and CS series cartridge filter models 100, 150, 200, 250 Also compatible with Zodiac Jandy DEL, CV, JS, CJ and CL series cartridge filter