Needle Valve, Directions Controlled 2, Valve Inlet Port 1/2 in NPT, Valve Outlet Port 1/2 in NPT, Valve Max. Pressure Rating 200 psi, Max. CFM - Valves 90 cfm, Calibrated Adjustment Knob, Composite Body, Zinc Plated Pipe Port Inserts, Length 2 27/32...