Compressed Air Regulator Air Inlet Size 3/8 in Air Inlet Type NPT Maximum Flow Rate 150 cfm Maximum Operating Pressure 300 psi Maximum Operating Temperature 150 Degrees F Pressure Gauge Included No Adjustment Mechanism Knob Overall Width 2 3/8 in Series R18 Adjustment Mechanism Material Acetal Air Flow Direction Bi-Directional Air Inlet Gender Female Air Outlet Gender Female Air Outlet Size 3/8 in Air Outlet Type NPT Body Material Aluminum For Fluid Type Air