Features 【THREE WAY AIR COMPRESSOR VALVE】: Best replacement for your old or broken check valve for your air compressor; Convenient installation using a threaded connection end, quick and easy installation without tools, high performance and high reliability. 【THREE WAY AIR COMPRESSOR VALVE】: Three threads for pipe connection, air pressure tank and compressor piston pump respectively. 【HIGH QUALITY MATERIAL】: The air compressor valve is made of high-quality zinc alloy material; high compression resistance, corrosion resistance, good performance and high reliability 【COMPATIBILITY】: Male Thread Size: 1/2" 3/8"; Thread Diameter: 9.5-10mm 16-16.5mm 20-20.5mm; Hex Head Size: 18mm; Total Size: 42 x 39mm; Please check compatibility before purchasing. 【SERVICE GUARANTEE】: We offer 24 months worry-free warranty, if you have any problems with our team, please feel free to contact us and our staff will reply you within 24 hours. You can buy with confidence. Features: THREE WAY AIR COMPRESSOR VALVE: Best replacement for your old or broken check valve for your air compressor; Convenient installation using threaded connection end, quick and easy installation without tools, high performance and high reliability. THREE WAY AIR COMPRESSOR VALVE: Three threads for pipe connection, air pressure tank and compressor piston pump respectively. HIGH QUALITY MATERIAL: The air compressor valve is made of high-quality zinc alloy material; high compression strength, corrosion resistance, good performance and high reliability COMPATIBILITY: Male Thread Size: 1/2" 3/8"; Thread Diameter: 9.5-10mm 16-16.5mm 20-20.5mm; Hex Head Size: 18mm; Overall Size: 42 x 39mm; Please check the compatibility before purchasing. Excellent replacement for the old or broken check valve of your air compressor. The three male thread connectors are respectively for connecting pipes, air. Convenient to install with the threaded connection ends. Specifications: Product name: air compressor check valve Material: Zinc Alloy Colour: Gold. 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 Note: Please allow a small size error due to manual measurement. Package includes: 1 x Air Compressor Check Valve Package List 1 x Pressure meter 1 x Brass water pressure reducing valve