8.8 cu ft / 248.4 l Grid view List view M9 “C” Medical Oxygen Cylinder – Post Valve M9ALUM 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 Add to cart Add to Quote