3/4 Compression x 1/2" NPT Gas Air Compressor Pilot Unloader Check Valve 145-175

Material: Machined Brass USA MADE 1/2" Male NPT Pipe Thread Outlet to Tank 3/4" Compression Thread Side Inlet for 3/4" OD Copper Tubing 1/8" NPT Female Pipe Thread Port for Throttle or Unloader Control Factory Set at 145 PSI Cut In & 175 PSI Cut Out Pressure Pressure Can Be Adjusted 30-40 PSI Up or Down 30 CFM Max Rating Equipped with a Manual Unloader Flip Valve at the Top of the Unloader