Simple and safe to use, the Medium Size FOCUS Rosemary Aroma 5 Liter Canister from Boost Oxygen provides supplemental oxygen wherever you need it. It is 95% pure supplemental oxygen which is nearly 5 times the amount of normal air, which is around 21% oxygen. Supplemental oxygen is used by so many people for so many different reasons. From altitude acclimation to athletes to older adults and to anyone experiencing shortness of breath. Boost Oxygen provides all-natural respiratory support in a convenient, easy-to-use, and portable canister. Since 2007, Boost Oxygen has made portable supplemental oxygen available to everyone without a prescription. Breathe better, recover faster, and improve performance with the Medium Size FOCUS Rosemary Aroma 5 Liter Canister from Boost Oxygen.

• All-natural, prescription-free respiratory support that can be used by anyone, anytime, anywhere for non-medical purposes. Breathe Better!
• Boost Oxygen FOCUS is 95% pure oxygen infused with Rosemary aroma.
• The aromatic property of rosemary has long been popular for refreshing cognitive support and mental clarity.
• This 4-pack of Boost Oxygen comes with portable oxygen canisters for on-the-go lifestyles that are completely recyclable.
• Every cell in the human body requires oxygen to function properly.
• Boost Oxygen provides supplemental oxygen to support healthy brain and cellular function.
• Boost Oxygen, the most trusted brand and worldwide leader in supplemental oxygen canisters since 2007, directly manufactures every canister at our headquarters in Connecticut.
• Our products are backed with a 100% quality guarantee. As Seen On Shark Tank.
• Size: 5 liters
• Flavor: Organic Rosemary
• Color: Green
• Quantity: 4