durability and high efficiency check valve-This three-way check valve compressor is pressure-resistant and corrosion-resistant, providing high performance and reliability. Three-way check valve compressor for pipe connection-This three-way check valve is a perfect tool for 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 compressor check valve is easy to install on the threaded connection end. The perfect tool for compressor check valves-this check valve is an replacement for old or damaged check valves in compressors. No installation required-this compressor check valve threaded installation is quick and easy, and no are required. very happy. Applicable medium: Pressure environment: normal pressure Thread: Nominal of external thread Weight: about 81 grams colour:Yellow Material:all copper size:Valve port: 20mm 16mm 10mm Package Contents: 1 x compressor check valve Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.