Pentair 25010-0200 Air Relief Valve Assembly Replacement for select Sta-Rite Pool and Spa Filters;

This air relief valve assembly is designed to use with Sta-Rite PLM pool and spa cartridge aboveground filter System and also compatible with Sta-Rite PLD pool and spa D.E. aboveground filter System. Fits with Sta-Rite System 2 Modular Media PLM Series pool and spa cartridge filters model PLM100,PLM125, PLM150, PLM175, PLM200,PLM300 and also fits with Sta-Rite Separation Tank Assembly pool and spa filter. Also fits with Sta-Rite Posi-Flo II PTM Series pool and spa cartridge filters model PTM50, PTM70, PTM100 and PTM 135. This air relief valve assembly is designed to use with Sta-Rite System 2 Modular pool and spa D.E. filters which have PLD Series model PLD50 - DE, PLD70 - DE and PLDE Series model PLDE36 - DE, PLDE70 - DE. Air relief valve assembly comes with O-ring.