Features: This gas flowmeter can be used to measure the terminal gas flow rate of the protective gas when the gas protecting is not good and the gas flow rate of the weld is insufficient. It is made of premium material,durable 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 Flow Rate: 25L/min Package List: 1*Gas Flow Meter