Compressed Air Regulator Air Inlet Size 1 in Air Inlet Type NPT Maximum Flow Rate 400 cfm Maximum Operating Pressure 300 psi Maximum Operating Temperature 125 Degrees F Pressure Gauge Included Yes Adjustment Mechanism Screwdriver Overall Width 4 15/16 in Adjustment Location Top System Location Main Line Series R119 Adjustment Mechanism Material Steel Air Inlet Gender Female Air Outlet Gender Female Air Outlet Size 1 in Air Outlet Type NPT Body Material Zinc For Fluid Type Air