Excellent durability and high efficiency check valve-This three-way check valve air compressor is pressure-resistant and corrosion-resistant, providing high performance and reliability.Three-way check valve air compressor for pipe connection-This three-way check valve is a perfect tool for air compressors and has 3 external thread connections for pipe connections, pneumatic tanks and compressor piston pumps.Designed with a convenient threaded connection end-this joint air compressor check valve is easy to install on the threaded connection end.The perfect tool for air compressor check valves-this check valve is an excellent replacement for old or damaged check valves in air compressors.No installation tools required-this air compressor check valve threaded installation is quick and easy, and no tools are required. very happy.Applicable medium: airPressure environment: normal pressureThread: Nominal of external threadWeight: about 81 gramscolour:YellowMaterial:all coppersize:Valve port: 20mm 16mm 10mmPackage Contents:1 x air compressor check valveOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.