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Saw this at a Walgreens last week.
These are really popular with people traveling to Colorado ski resorts and getting altitude sickness. They’re useful to grab to avoid getting sick and combating the symptoms if you do.
I remembered those existed and grabbed one when the gf was having a tough time fighting covid
It’s honestly fantastic that you can buy oxygen in stores. Imagine if you needed oxygen fast and had to wait for a doctor’s appointment.
There are actually medical edgecases for stuff like this where they can be quite useful. That being said, a lot of people definitely also seem to view it as merely monetary, as there are literal oxygen bars in Vegas.
My first thought was "I wonder how sturdy these cans are, and what provisions they have against puncture". Normally oxygen bottles are strong, and the oxygen is dissolved in a foam or something so it doesn't leak out as fast from a puncture.