oh i'm sorry @A MyCOPDTeam Member I was replying to someone else. i'm on 2 liters in case of emergency ie exacerbation. Otherwise I rarely use it and never go out with it. Although I am sure that is coming.The only time I was ever on 10 L was in ICU when they were taking me off the BI Pap after going into resperatory failure. After going through that I can't imagine being on that much at home.(Hugs)

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A MyCOPDT...

@A MyCOPDTeam Member - I'm on oxygen 24/7 - during sleep and while sitting reading, whatever, the setting is 2 lpm - when I am active, i.e., walking from the living room to the kitchen, any movement at all and the setting is 6 lpm - I don't believe there's a portable concentrator that goes up to 10L - I have a stationary one that does go to 10L - out of curiosity, have you been told you require 10L?

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A MyCOPDT...

Do they make portable concentrators that go up to 10L? I'm new with the oxygen so I was just wondering (Hugs)

Pressurized reservoirs (tanks) cannot be taken on airplanes. They are dangerous at high (flying) altitudes. Explosive hazards.

They don't make portable oxygen concentrators using pulse dose (only delivers oxygen on inspiration) with high liter flows (>4 liters) 2-3 liters is ideal. You should try a nasal cannula with an oxygen reservoir if you don't have one. At 10 liters you will have to take multiple tanks which is not convenient but it's the best you can do with that high of flow. Good luck.