High Quality MaterialOur compressor replacement is made of high quality copper, it can prevent unnecessary backflow. It has the main characteristics of strength, corrosion resistance and waterproof, so that it can withstand at high temperatures and pressure. High Performance DesignOur pressure valve is three-way external thread design, has pressure resistance, corrosion resistance, high performance and high reliability, strong sealing, and can replace the pressure relief valve old or damaged air compressor retainer. It is an excellent choice for air compressor accessories. Easy to installThe air compressor is installed via a threaded connector which is quick and easy to install and requires no tools. With a detachable design, internal cleaning is very convenient and durable. Package content: 2 x 3-way check valve, specific model: 20 16 10mm, weight: 80g. There are three connection openings on each non-return valve, via which hoses, air tanks and air pumps are connected piston. Excellent replacement for your old or defective air compressor check valve. ApplicationOur angled check valve is a good replacement for the old or defective check valve of your air compressor. The two internal thread connections are for tubular fittings and another external thread connector it is for air pressure tank and piston pump. Product description Features: - The pneumatic check valve is made of high-quality copper, is strong and durable, and has a long service life. It has the characteristics of good rust and corrosion resistance. - Pipes, air tanks and compressor piston pumps are connected via the three connection openings on the 3-way check valve. - The replacement compressor has a threaded design and is easy to disassemble, making internal cleaning easier and more durable. - Our connecting tool features high reliability and strong sealing performance. This is an old or damaged air compressor check valve or an ideal solution. Specifications: Material: copper Colour: yellow. Weight: 80 g Model specification: 20 16 10 mm. Box contents: 2 non-return valves for air compressor. Hint: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc. there could be some slight differences in the color and size between the photo and the actual item. We sincerely hope they can understand! Thanks.