oxygize Portable Oxygen Canister with Inbuilt mask, 10 L (150 Breaths Approx.) Portable Oxygen Can

Pure and Natural Oxygen Canister for Daily Oxygen Needs:- Pure and Natural Oxygen can for your oxygen needs. When you're visit high altitude places, it's a must to keep oxygize oxygen canister as essential oxygen supplies to make your trekking activities go smoother. Oxygize oxygen canister comes with a pre-equipped mask for inhaling oxygen instantly. Oxygen at High Altitude Traveling / Oxygen and Immunity / Oxygen for Recovery / Clearing Lungs / Oxygen Can for Hiking/Camping and Trekking / Oxygen Can as Pollution Face Mask / Oxygen for Nausea / Improves Aerobics & Yoga Efforts, How to use:- 1. Open the cap and take mask away from the nozzle of the oxygen can, 2. Insert the mask onto the mouth of the nozzle of the oxygen can, 3. Cover your mouth & nose with the mask and press the nozzle for 3 to 5 seconds, inhaling deeply at the same time. 4.After using, cover back the mask on the top of the can. Hope, you're able to understand it's usage.