Argon / CO2 / Mixed Gas Regulator + Flowmeter for MIG / TIG Applications Calibrate argon, carbon dioxide, mixed gas Impact resistant polycarbonate flowmeter On/Off Guage Safety relief valve Pre-calibrated / adjustable inlet pressure and flow to 25PSI Both MIG and TIG welding must be available Size: 121*162mm Colour: Golden Yellow Material: Copper Package Contents: 1 * Argon CO2 regulator only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.