zlyy 90-degree right check valve, 3-port brass male threaded air compressor check valve central pneumatic

Thread Size: G1/8, G3/8, G1/2. | Includes 1-90-Degree Right Check Valve | Easy to install with the thread connecting ends, the three male thread connectors are respectively for tube connecting, air pressure tank and compressor piston pump | Features a Durable Valve that Closes when Air is Drained from the Compressor Head, Offers a Stop to Issues with Air Leaking Back into the Compressor Head | Compressor check valve needs to be replaced when it does not close during compressor shut down and allows air to leak back into the compressor head, A faulty compressor check valve will harm a compressor