150 Cu Ft Nitrogen Argon Helium Cylinder Steel – Cap + Collar New 150 Steel Cylinder 150 cu ft – 4247.5 Liters 2015 PSI Service Pressure – 3360 PSI Test Pressure 46″ Height – 7.4″ Diameter DOT- and TC- Approved 150 Cu Ft Nitrogen Argon Helium Cylinder Steel - Cap + Collar quantity Add to cart Add to Quote SKU: 150-STEEL Categories: Compressed Gas Cylinders, Nitrogen/Argon/Helium Cylinders Capacity 150 cu ft / 4247.5 l Diameter 704" / 188 mm Height 46" / 1170 mm Material Steel Service Pressure 2015 PSI / 139 Bar