What Are the Different Oxygen Cylinder Sizes?


Quick Answer

The range of medical oxygen cylinder sizes goes from M-2 to M-250 and includes M-4, M-6, M-7, M-9, M-22, M-24, M-60 and M-122. The diameter sizes range from 2 1/2 inches to 52 inches, and empty weight ranges from 0.7 pounds to 114 pounds.

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Full Answer

Each patient using medical oxygen has unique lifestyle factors that make different sizes ideal. The most frequently used size is the M-6, which weighs 2.2 pounds when empty and is easy to carry in a bag. Patients who are confined to wheelchairs often use a larger cylinder with a wheelchair bag, while those who only rarely leave home and have extremely high weight use the smaller M-4.

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