Regulator Air Inlet Size 1/2 in Air Inlet Type NPT Maximum Flow Rate 165 scfm Maximum Operating Pressure 300 psig Maximum Operating Temperature 150 Degrees F Pressure Gauge Included Yes Adjustment Mechanism Knob Overall Width 2 3/8 in Adjustment Location Top System Location Air Line Series 18 Adjustment Mechanism Material Acetal Air Outlet Size 1/2 in Air Outlet Type NPT Body Material Aluminum Includes Gauge Maximum Regulated Pressure 250 psig