VIGO MEDICAL's portable high-concentration oxygen cans are ideal for supplementing oxygen in emergencies and daily life. It concentrates oxygen at a concentration higher than 21% in the atmosphere, and is characterized by its immediate effect, ready to use when needed, so you can be prepared for emergencies. It is said to be effective in recovering from fatigue and improving the ability of athletes, preventing drowsiness when driving, and when you want to concentrate on studying. The easy-to-carry concentrated oxygen can is used by those who want to easily refresh themselves after sports, long hours at a desk, or when they want to change their mood, so it is recommended for those who want to concentrate on their studies or work, or for a change of pace between travel. It is also suitable for stockpiling in facilities and organizations. It has a Star of Life mark, which indicates its reliability as a first aid item. Practical oxygen cans that can be used quickly and easily in situations where a high supply of concentrated oxygen is required. Stock up on government shelters, large buildings, and commercial facilities.