Features: 100% brand new and high quality. Excellent replacement for the old or broken check valve of your air compressor. The three male thread connectors are respectively for tube connecting, air pressure tank and compressor piston pump. Compressive strength, corrosion resistance, high performance and high reliability. Convenient to install with the thread connecting ends. Specifications Product Name:Air Compressor Check Valve Material: Brass Color:Gold Surface:Nickel plating Suitable For: Direct air compressor Male Thread Diameter:20*20*10mm/ 1/2" x 1/2" x 1/8"-Inner Package Contents: 1 x Air Compressor Check Valve Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.