Pentair 98212200 Union Nut Replacement Pool and Spa Filter
This union nut is designed to use with Pentair Clean & Clear aboveground, Clean & Clear/Predator pool and spa cartridge filters and also compatible with Pentair Warrior, EasyClean aboveground pool and spa D.E. filters. Also fits Pentair EasyClean, Warrior pool and spa D.E. filters. Measures 3-1/2-inch length by 1-1/4-inch height by 3-1/2-inch width.