The oxygen mask can be a face / nose or full face mask.

The mask can be made from several materials, such as plastic, rubber or silicone.

Medical oxygen masks are usually made of polymer because it is soft and somewhat flexible. To secure the mask, an elastic strap is attached to either side of the mask and it is wrapped around the patient's head.

People with masks have an average flow rate of 6 to 10 liters per minute and a percentage oxygen content of 40% to 60%. A flow rate of at least 6 liters is required to help remove exhaled carbon dioxide for removal through a small hole on the side of the mask.

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