Micro Flow Control Valve G3/8'' Stainless Steel Needle Valve PTFE 300 Bar - NLS Nls038 3mm Reduce Port Valve Product Type —— Needle Valve(1/2 OD),Used for flow regulation, suitable for water, gas, oil, fuel and other media transmission, good sealing, no leakage, used in industry to connect different types, diameters or materials of pipes or fittings. TAISHER 1PCS 304 Stainless Steel Reduce Port 3mm Needle Valve 1/4" OD,Accurate Dials For Micro Flow Control Instrument Gauge Water Gas Oil Product Material —— 304 stainless steel strength and resistance to corrosion, ductility at high temperatures, and low magnetic permeability. Made from heavy-duty 304 stainless steel that's seriously corrosion-resistant and about twice as hard as copper. The 1/2 OD size with that 3mm reduce port is... Application:This Adapter can be used for oils, air, water, liquids, steam and gasses. Needle Valves - Best Prices on Saudi Arabia Working Temperature —— Temperature range from -68 to 212 degrees F.