If you are looking for a professional and reasonably air compressor check valves, then your research is here. That's because our products can meet your needs. It is made of premium materials and craftsmanship, durable and practical, and can provide you with stable working performance. Features - Color: Golden. - Material: Zinc. - Size: 4.60X4.20X3.50cm/ 1.81X1.65X1.38inch. - Compressive strength, corrosion resistance, high performance and high reliability. - The installation is quick and easy, and the use is easier, which will bring you a good experience. - It is mainly suitable for the connection of air compressor components to make it more stable and practical. - The detachable design is convenient for internal cleaning, more convenient to use, healthier, and durable. - The three male thread connectors are respectively for tube connecting, air pressure tank and compressor piston pump. Package list: 1 x 3 Way Check Valves