Description
This is a gray o-ring designed to replace U9-301 for PosiFlo II, PRC, PRD filter tank tops. This o-ring works with Sta-Rite PRC Aboveground Cartridge Filter Systems Models PRC50, PRC75, Sta-Rite Posi-Flo II Cartridge Filters PTM135 Series, PRD Aboveground System D.E. Sta-Rite Filters.
