Yes. That label says 95% pure oxygen. If it’s only 95%, it isn’t “pure”. That’s not what that word means.
Sure it is. If they said “100% pure oxygen” and it actually contained 5% tetraethyl lead, that would be a lie. But if they say “95% pure oxygen” and 95% of what they put in the can is pure oxygen, by packaging regulations, it’s correct. No, it doesn’t have to make sense. And why you need a can of it when there’s plenty in the air around you, I dunno. If you need more, you should be on a machine.
It’s market for medical and high altitude sports aps. But it’s not like a tank of compressed o2 that gives you an hour of breathing.
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