EVOLVE 15-Liter Pure Oxygen Canister with Breathing Cup | Portable Oxygen Can | Ideal for Home Use and Outdoor Activities | Designed by Firefighters | Made in The USA | Pack of 1

Definitely the best oxygen I have used, it worked perfectly for me. The company was wonderful when I contacted them with questions. Very reassuring to know they are available when needed and not in some faraway country. I highly recommend Evolve Oxygen. Worth the money!

I recommend purchasing this. My husband loves it. You can use it anytime

Didn’t notice a difference after dispensing. Used an entire can when the AQI reached 80 - 100.

Today, one of my cats was laying on her side, struggling to breath. Her tongue and gums were turning blue. I didn't know what to do. He lungs had fluid in them and she couldn't cough it up. I kept patting her back, rubbing her chest to try to help clear her lungs. Then I remembered that I had purchased this product. She did NOT like having this can on her face. But I forced her to breath this can of oxygen. The color came back to her tongue and gums. She started coughing up the fluid and cleared her lungs out. She is now resting and seems to be able to breath better. This product may have saved my cat's life.

did not use very much, but it helped to breath in a pinch

Just because the unit feels light does not mean its empty. Oxygen is not heavy, nor is it compressed into a liquid like most canned gas.

The empty bottle is quite hefty at about 270g. You get less oxygen per dollar spent vs any competition. Hope a product claiming to be carbon efficient is your sole priority with oxygen supplementation. I wouldn’t recommend this product.

O2 and a canister and it didn’t do anything to help bring my oxygen level back up Not worth the money at all