Booster Regulator Air Inlet Size 3/8 in Air Inlet Type Rc Maximum Flow Rate 35.3 scfm Maximum Operating Pressure 145 psi Maximum Operating Temperature 122 Degrees F Pressure Boost Ratio 2 Includes 2X Pressure Increased Ratio with Gauge PSI with Silencer Handle-Operated Air Outlet Size 3/8 in Air Outlet Type Rc Minimum Operating Pressure 29 psi Minimum Operating Temperature 34 Degrees F