Compressed Air Regulator Air Inlet Size 1 1/2 in Air Inlet Type NPT Maximum Flow Rate 1 200 cfm Maximum Operating Pressure 300 psi Maximum Operating Temperature 150 Degrees F Pressure Gauge Included No Adjustment Mechanism Knob Overall Width 5 5/16 in System Location Air Line Series R40 Air Inlet Gender Female Air Outlet Gender Female Air Outlet Size 1 1/2 in Air Outlet Type NPT Body Material Zinc For Fluid Type Air For Substance Type Air Maximum Regulated Pressure 125 psi