Speed Control Valve, Adjustment Type Screw, Valve Body Size 1/4 in, 1/8 in, Air Connection Size 1/8 in, Connection Type NPT, Connection Size 1/8 in, Air Connection Type Tube, Metering Direction Meter In, Body Material Stainless Steel, Maximum Operating Pressure 145 psi, Minimum Operating Pressure 14.5 psi, Maximum Flow Rate 37 cfm, Minimum Flow Rate 0 cfm, Fitting Style Elbow, Body Material Finish Nickel Plated, Maximum Operating Temperature 140 Degrees F