Regulator, Air Inlet Size 1/2 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 1/2 in, Air Outlet Type NPT, Body Material Aluminum, Includes Gauge, Maximum Regulated Pressure 250 psig