Is my canister working?

If it feels like you are not getting enough O+ oxygen from a canister of Oxygen Plus, be sure you're using the actuating button properly. Press down firmly and be sure you're only depressing or actuating the button while inhaling so you don’t waste the oxygen! In rare occurrences, a canister may not be completely filled. While not the norm, this does sometimes happen in manufacturing – as it does with all consumer products on occasion. Rest assured, if you reach out to us, we'll make it right.