Regulator Air Inlet Size 1/2 in Air Inlet Type NPT Maximum Flow Rate 88 scfm Maximum Operating Pressure 300 psig Maximum Operating Temperature 150 Degrees F Pressure Gauge Included Yes Adjustment Mechanism Knob Overall Width 3 in Adjustment Location Top System Location Air Line Series 16 Air Outlet Size 1/2 in Air Outlet Type NPT Body Material Zinc For Fluid Type Air Includes Gauge Maximum Regulated Pressure 250 psig Minimum Operating Temperature 32 Degrees F