Argon CO2 Mig Tig Flowmeter Regulator Welding Regulator Gauge Gas Welder High quality GENSSI Argon; CO2; regulator made from precision instruments Designed for Tig or Mig Welding; Sintered metal in let filter to trap impurities 110V 0-25MPA (l/min) up to 25 l/min Fit Standard CGA 580 argon tank (CO2 adapter requried for CO2 tanks not included) Easily adjust your gas flow rate with the built-in flow meter; Fully forged chrome body