Pentair 155109 4 Prong T-Nut Replacement Pool and Spa Filter

This 4 prong T-nut is designed to use with Pentair Clean & Clear pool and spa cartridge filter models CC 50, CC 75, CC 100, CC 150, CC 200 and also fits Pentair Star Polymeric and Warrior pool and spa D.E. filter models 56408600, 56408700, 56408800 and also compatible with Pentair Sand Dollar pool and spa sand filter models SD 35, SD 40, SD 60, SD 70, SD 80. Also fits Pentair Star pool and spa D.E. filter models ST 35, ST 50, ST 80.