Description: Calibrated for Argon, Helium and Carbon Dioxide gases Pressure gauge for easy reading Flowmeter is back pressure compensated to ensure accurate readings when line restrictions are present. Polycarbonate flow tube and outer cover are impact resistant for maximum durability External safety pressure relief design Specification: Material: Metal Applicable Gas:Argon gas Measuring range 0-25 (MPa) Rated outlet pressure 0-25 (MPa) Rated flow rate 0-200 (m3 / h) Ambient temperature 0-30 ( °) Usage:Oxygen pressure reducer Size:17cmx13cmx6cm Package Includes: 1 Piece Argon/CO2 Mig Tig Flow Meter Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !