CGA580 Tank Fitting: Inlet Connection: CGA580 Bottle Connection for argon and argon blend bottles;Outlet Connection: Female 9/16″ x 18 nut or 5/”8 UNF-18RH – 1/4″ Hose Barb Adapters Included. all argon, helium, nitrogen, and argon/CO2 mixed gas tanks.
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