Portable Oxygen Can – 97% Pure O2, 10L Oxygen Cylinder for Altitude, Sports, Recovery, Exercise, & Altitude Sicknessy, 12 Oxygen Tanks

Lightweight & Portable: Sopzer oxygen cans are lightweight and designed with a compact 10-liter size, making you easily carry them around. Just put them in your hiking backpack, and they will be your best travel companion.
Pure & Clean Spozer Oxygen: The Spozer oxygen cans are made in a fully automated Food-Grade production environment, we assure the purest and cleanest oxygen in each can. 97% pure all-natural oxygen and is free of additives, no calories, and no other taste, just use it with confidence.
Easy Usage: Spozer oxygen cans are designed for easy usage. Just place the mask under the nose and over the mouth, press the button to release a burst of oxygen, and inhale deeply in 3 to 5 breaths (or as much as you need ). You will breathe the fresh oxygen and feel just like you are in the forest.