Goss EA-25-MA Acetylene Regulator with "A" Hose Fitting and "MC" Acetylene Tank Connection For use with "MC" Acetylene Cylinders (CGA200) Hose Outlet fitting: "A" 3/8-Inch-24-Inch, LH 2-15 PSI pressure range, Single Stage Two quality gauges. One gauge shows delivery pressure, the other cylinder pressure