Check valve, compressor check valve, 3-way external thread, 90-degree brass check valve, replacement accessory for air compressor 1/2" x 3/4" x 1/8".

This check valve has a 90-degree external thread and is used for air compressors. The three external threaded fittings are for connecting the air hose. One threaded fitting is for the hose connection, and the other threaded fitting is for the air pressure tank and piston compressor pump. Excellent replacement for your old or faulty check valve on your air compressor.