Sandwich Single Air Regulator Series Mark 55 Pressure Control Range 3 to 30 psi Maximum Flow Rate 230 cfm Maximum Operating Pressure 150 psi Maximum Operating Temperature 115 Degrees F Overall Depth 1 1/4 in Overall Height 1/8 in Overall Width 1/8 in Adjustment Mechanism Knob For Fluid Type Air For Substance Type Air Includes Gauge Maximum Regulated Pressure 30 psi Minimum Operating Temperature -10 Degrees F Minimum Regulated Pressure 3 psi Number of Air Inlets 1