M9 “C” Medical Oxygen Cylinder – Post Valve Medical ‘M9’ Cylinder with CGA870 Valve for Oxygen 8.8 cu ft – 248.4 Liters 2015 PSI Service Pressure – 3360 PSI Test Pressure 10.6″ Height – 4.4″ Diameter DOT- and TC- Approved M9 "C" Medical Oxygen Cylinder - Post Valve quantity Add to cart Add to Quote SKU: M9ALUM Categories: Compressed Gas Cylinders, Medical Oxygen Cylinders, Medical Oxygen Cylinders Capacity 8.8 cu ft / 248.4 l Diameter 4.4" / 112 mm Height 10.6" / 269.9 mm Material Aluminum Service Pressure 2015 PSI / 139 Bar