John Guest Check Valve - 1/4" 5.0 psi Crack Pressure

The John Guest push-fit inline check valves allow flow in one direction. These inline check valves have low crack pressures and can easily be incorporated into a system.  Features: For use with plastic or copper OD sized tubing Crack Pressure: 5 psi Allows flow in only one direction Acetal body Lead Free materials Quick and easy connection/disconnection NSF51 and NSF61 listed For liquids only Working Pressure & Temperature: Max 150 psi at 68° Max 100 psi at 150°