95% PURE OXYGEN: All-natural, prescription-free respiratory support that can be used by anyone, anytime, anywhere for non-medical purposes. Breathe Better!, NATURAL: Our most popular product, Boost Oxygen NATURAL is 95% pure oxygen, no aroma added. NATURAL is for those looking for the benefits of supplemental oxygen without aromatherapy., CONVENIENT, LIGHTWEIGHT, AND RECYCLABLE: this 3-pack of Boost Oxygen comes with portable oxygen canisters for on-the-go lifestyles that are completely recyclable. Each canister contains 10 liters., HEALTHY ENERGY FOR YOUR BODY: Every cell in the human body requires oxygen to function properly. Boost Oxygen provides supplemental oxygen to support healthy brain and cellular function., MADE IN THE USA: Boost Oxygen, the most trusted brand and worldwide leader in supplemental oxygen canisters since 2007, directly manufactures every canister at our headquarters in Connecticut. As Seen On Shark Tank.