Compressed Air Regulator Air Inlet Size 1/4 in Air Inlet Type NPT Maximum Flow Rate 117 cfm Maximum Operating Pressure 300 psi Maximum Operating Temperature 150 Degrees F Pressure Gauge Included No Adjustment Mechanism Nonrising Overall Width 2 3/16 in System Location Air Line Series R21 Air Inlet Gender Female Air Outlet Gender Female Air Outlet Size 1/4 in Air Outlet Type NPT Body Material Zinc For Fluid Type Air For Substance Type Air