Whether youre an athlete, traveler, or just feel your O2 content is a little low, the Boost Oxygen 5 Liter Canister 9-Pack will help you feel refreshed and replenish your bodys oxygen. This personal size oxygen bottle will soon be your right hand. Sitting at 5 liters in size, youre about to have over 100 1-second breaths of oxygen at your fingertips and lips. This tasteless, odorless, 95% pure natural aviator respiratory oxygen is safe to use. Introduce more oxygen into your life with the Boost Oxygen 5 Liter Canister of Canned Oxygen. It will feel like a breath of fresh air, because it is.