Flow Control Valve, Valve Inlet Port 1/4 in NPT, Valve Outlet Port 1/4 in NPT, Valve Max. Pressure Rating 175 psi, Max. CFM - Valves 34 cfm, Pressure Range 0 to 175 psi, Max. Temp. 160 Degrees F, Knurled, Plastic Locking Adjustment Knob, Anodized Aluminum Body, 360 Degrees Rotation, Adjustment Knob Speed Adjustment, Stainless Steel Spring, Length 2 1/2 in, Width 1 7/25 in, Pneumatic Valves Product Group Flow Control Valve