Regulator Air Inlet Size 1/4 in Air Inlet Type NPT Maximum Flow Rate 86 scfm Maximum Operating Pressure 250 psi Maximum Operating Temperature 140 Degrees F Pressure Gauge Included Yes Adjustment Mechanism Knob Overall Width 2 3/16 in System Location Air Line Series Series 1500 Adjustment Mechanism Material Acetal Air Outlet Size 1/4 in Air Outlet Type NPT Body Material Aluminum For Fluid Type Air For Substance Type Air Includes Panel Nut Maximum Regulated Pressure 140 psi