56.5" / 1435 mm Grid view List view 300 cu ft Steel Cylinder – Standard Valve – Cap & Collar 300STEEL New 300 Steel Cylinder 300 cu ft – 1132 Liters 2400 PSI Service Pressure – 4000 PSI Test Pressure 56.5″ Height – 9.1″ Diameter DOT- and TC- Approved Add to cart Add to Quote 300 Cu Ft Nitrogen Argon Helium Cylinder Steel – Cap & Collar 300-STEEL New 300 Steel Cylinder 300 cu ft – 8495 Liters 2400 PSI Service Pressure – 4000 PSI Test Pressure 56.5″ Height – 9.1″ Diameter DOT- and TC- Approved Add to cart Add to Quote