Pentair 354571 Clean & Clear Filter System O-Ring (Union) – Quad D E Cartridge Style Filters 80

This o-ring is designed to use with Pentair Star polymeric aboveground pool and spa D.E. filter and also compatible with Pentair Meteor, Tagelus aboveground pool and spa sand filter systems. This product also fits Pentair Sta-Rite Dynamo aboveground swimming pool pumps.