Pentair PLM Filter System Spring Check Valve || 27001-0130s
This spring check valve is designed to use with Pentair Sta-Rite PLM and System 2 modular media pool and spa cartridge filter models PLM100, PLM125, PLM150, PLM175, PLM200, PLM300 and also compatible with Pentair Sta-Rite PLD and System 2 modular pool and spa D.E. filter models PLD50-DE, PLD70-DE. Measures 1-inch length by 1-inch height by 1-inch width.