20 cu ft Nitrogen Argon Helium Cylinder Aluminum 20 cu ft Nitrogen Argon Helium Cylinder Aluminum quantity Add to cart Add to Quote SKU: 20CUFT-ALVLV Categories: Compressed Gas Cylinders, Nitrogen/Argon/Helium Cylinders Gas Type Argon, Helium, Neon, Nitrogen Material Aluminum Valve CGA580 Capacity 20 cu ft / 566 l