Regulator Air Inlet Size 1/2 in Air Inlet Type NPT Maximum Flow Rate 185 scfm Maximum Operating Pressure 300 psig Maximum Operating Temperature 150 Degrees F Pressure Gauge Included No Adjustment Mechanism Knob Overall Width 3 3/8 in Adjustment Location Top System Location Air Line Air Outlet Size 1/2 in Air Outlet Type NPT Body Material Zinc For Fluid Type Air For Substance Type Air