5.2" / 132 mm Grid view List view 20 cu ft Steel Cylinder – Standard Valve 20STEEL New 20 Steel Cylinder 20 cu ft – 566 Liters 2015 PSI Service Pressure – 3360 PSI Test Pressure 14.88″ Height – 5.2″ Diameter DOT- and TC- Approved Add to cart Add to Quote 20 cu ft Nitrogen Argon Helium Cylinder Steel 20-STEEL Inert Gas (Nitrogen/Argon/Helium/Neon) Cylinder CGA580 Valve Installed High-Strength, Thick-Wall Steel Body Durable Painted Exterior 14″ Height (with valve), 5″ Diameter Add to cart Add to Quote