The fitting is a CGA-580 fitting, so it fits all argon, helium, nitrogen, and argon/CO2 mixed gas tanks. This does not fit CO2 cylinders. If you want a CO2 Flowmeter see our auction for those.
A very nice thing about this Flowmeter is the outlet will fit both the female 9/16" x 18 nut or the male 5/8" x 18 fitting. You can see the adapter in the picture. It comes with a standard 1/4" barbed fitting. If you have a Miller, Lincoln, or Hobart welder, the gas hose from your machine should screw right in, as they should use the 5/8" x 18 male nut.
brand new 8milelake Flowmeter which is perfect for Mig and Tig Welding.
Flow Meters are more accurate than the flow gauge regulators.
The pressure gauge which shows how much gas is left in the tank goes from 0 to 4000 psi.
And this flowmeter does not use a diaphragm, so it is more reliable than the flow-gauge style regula
The output flow is adjustable from 10 to 60 cfh (cubic feet per hour), and is indicated by a ball wh