M66A Medical Oxygen Cylinder – Post Valve – Carbon Composite M66A Medical Oxygen Cylinder - Post Valve - Carbon Composite quantity Add to cart Add to Quote SKU: M66A-COMP Categories: Compressed Gas Cylinders, Medical Oxygen Cylinders, Medical Oxygen Cylinders Capacity 66 cu ft / 1868.9 l Diameter 6.8" / 172.7 mm Height 20.7" / 525.8 mm Material Composite Service Pressure 3000 PSI / 207 Bar