Straight Needle Valve Stainless Steel High Pressure Needle Valve Female Thread Shut-Off Needle Valve for Water, Gas, Oil, Fuel and Other Media(3/8”): Amazon.com: Industrial & Scientific
Amazon.com : Rhinox Stainless Steel Needle Valve, Accurate CO2 Regulation in Solenoid Fish Tanks, Co2 Adjustment Valve, Used with Rhinox C02 Diffuser Set : Aquarium Air Pump Accessories : Pet Supplies
316 Stainless Steel Needle Valves | Metal Goods Manufacturing