
This flow meter does not use a diaphragm, therefore more reliable than gauge-style flow regulators This MIG CO2 regulator is designed for professional TIG/MIG welding applications Adjustable output flow from 0 to 25 lpm. And is indicated by a ball, the flow hose moves up and down All hardware on this flow regulator has been tightened and passed the leak test. You can easily turn the adjustment knobs by hand. Very easy to use Full copper body material. Ideal for Lincoln, HTP and most other welders