Speed Control Valve, Adjustment Type Knob, Valve Body Size 3/8 in, Air Connection Size 3/8 in, Connection Type NPT, Connection Size 3/8 in, Air Connection Type Tube, Metering Direction Meter In, Body Material Stainless Steel, Maximum Operating Pressure 150 psi, Minimum Operating Pressure 15 psi, Maximum Flow Rate 3.4 cfm, Minimum Flow Rate 0 cfm, Fitting Style Elbow, Body Material Finish Nickel Plated, Maximum Operating Temperature 140 Degrees F, Minimum Operating Temperature 23 Degrees F