Features This gas flowmeter can be used to measure the terminal gas rate of the protective gas when the gas protecting is not good and the gas rate of the weld is insufficient. Precision: Argon co2 air meter tester, peak meter scaled from 0 - 25 litres per minute in one litre graduations, used for testing the gas at the Mig or Tig torch. The tester scaled from 0 to 25 litres per minute in one litre graduations, used to test the gas in the tig torch. It is stable and has great performance while using. Delicate and practical, high hardness, firm and strong. High accuracy.The result of it is accurate and useful. Spec: Features: This gas flowmeter can be used to measure the terminal gas rate of the protective gas when the gas protecting is not good and the gas rate of the weld is insufficient. It is made of premium material, and has long service life. It is stable and has great performance while using. Delicate and practical, high hardness, firm and strong. High accuracy.The result of it is accurate and useful. Specification: Length:14cm/5.51in Rate: 25L/min Package List: 1*Gas Meter Package List