7.4 cu ft / 209.6 l Grid view List view M7 Medical Oxygen Cylinder – Post Valve M7ALUM Medical ‘M7’ Cylinder with CGA870 Valve for Oxygen 7.4 cu ft – 209.6 Liters 2015 PSI Service Pressure – 3360 PSI Test Pressure 9.2″ Height – 4.4″ Diameter DOT- and TC- Approved Add to cart Add to Quote