Pentair 25010-0200 Air Relief Valve Assembly Replacement for select Sta-Rite Pool and Spa Filters<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Air relief valve assembly replacement</li><li>Fits Sta-Rite PLM pool and spa cartridge aboveground filter System</li><li>Fits with Sta-Rite System 2 Modular Media PLM Series pool and spa cartridge filters model PLM100，PLM125， PLM150， PLM175， PLM200，PLM300</li><li>Also fits with Sta-Rite Posi-Flo II PTM Series pool and spa cartridge filters model PTM50， PTM70， PTM100 and PTM 135</li><li>Air relief valve assembly comes with O-ring</li></ul></div><img src="http://ecx.images-amazon.com/images/I/4142sXAe3uL.jpg" noproxy>