AIR COMPRESSOR IN TANK CHECK VALVE 1/2" X 1/2" FLARE with Unloader
IF YOUR COMPRESSOR DOES NOT HAVE AN UNLOADER LINE YOU CAN SIMPLY PLUG THE 1/8" FEMALE HOLE ON THE SIDE. 90° Elbow 1/8" Unloader. 1/2" Compression Top X 1/2 Male pipe thread intank - 20 cfm. TOP QUALITY MADE IN THE USA!