CSPARKV （4..1×3.7×3.7cm）Air Compressor Check Valve, 3 Port Brass Valve Pneumatic Accessory, for Central Pneumatic Air Compressor

[Great Replacement]: Great replacement for your old or broken check valve if it is leaking or not closing the airflow

[Premium Quality]: It is constructed with high strength brass with good corrosion resistance that does not require too much maintenance

[3 Port Brass Check Valve]: The three male threaded connectors are respectively for connecting tube, air pressure tank and compressor piston pump

[Easy to Use]: Convenient to install with the thread connecting ends; Before replacing the valve, make sure the compressor is completely stopped and the pressure is completely released

[]: Thread Diameter: 9.5-10mm 16-16.5mm 20-20.5mm, Overall Size: 42 x 39mm, Male Thread Size: 1/2" 3/8", Hex Head Size: 18mm; Please check compatibility before purchasing