On 3/16/20 5:54 PM, Robert Bruninga via EV wrote:
How do those little battery powered O2 generators work?
Short answer: I don't know. But, they are known as "oxygen concentrators" which likely means they remove nitrogen.
I don't think it advisable to try to breath pure O2. The likely goal is just a small increase. From what? 20%? Yep:
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