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Needle Valve, Directions Controlled 2, Valve Inlet Port 3/8 in NPT, Valve Outlet Port 3/8 in NPT, Valve Max. Pressure Rating 200 psi, Max. CFM - Valves 58 cfm, Calibrated Adjustment Knob, Composite Body, Zinc Plated Pipe Port Inserts, Length 2 27/32 in, Width 1 5/16 in, Height 3 55/64 in, Pneumatic Valves Product Group Flow Control Valve