Regulator Air Inlet Size 3/4 in Air Inlet Type NPT Maximum Flow Rate 233 scfm Maximum Operating Pressure 300 psig Maximum Operating Temperature 150 Degrees F Pressure Gauge Included Yes Adjustment Mechanism Knob Overall Width 2 7/8 in Adjustment Location Top System Location Air Line Series 28 Adjustment Mechanism Material Acetal Air Outlet Size 3/4 in Air Outlet Type NPT Body Material Aluminum Includes Gauge Maximum Regulated Pressure 250 psig