Pentair Pentair 071426 Collar and Rotor Union O-Ring Replacement Pool/Spa Cartridge and D.E. Filter

The collar and rotor union o-ring is designed to use with Pentair Clean & Clear, Predator II Mini-Cellular Media, Clean & Clear/Predator cartridge pool and spa filters and also compatible with Pentair Warrior, EasyClean, SM & SMBW 2000 series pool and spa D.E. filters. Measures 2-5/8-inch length by 1/4-inch height by 2-5/8-inch width.