Pentair 27001-0130S Spring Check Valve Replacement Sta-Rite Pool/Spa D.E. and Cartridge Filter safety-harness Acts as a draftstop to

Acts as a draftstop to help reduce air infiltration

Our internal design has been refined to minimize flow restrictions and

Self-adjusting polyurethane foam expands to fit virtually every wearer

The push-to-fit design with a flexible stem helps keep the soft foam tip clean

Pentair 27001-0130S Spring Check Valve Replacement Sta-Rite Pool/Spa D.E. and Cartridge Filter safety-harness Acts as a draftstop toPentair 27001 0130S Spring Check Valve Replacement Sta Rite Pool Spa D. E. and Cartridge Filter Spring check valve replacement Fits Pentair Sta Rite PLM and System 2 modular media pool and spa cartridge filter models PLM100, PLM125, PLM150, PLM175, PLM200, PLM300 Also fits 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