Commercial pilot oxygen mask.
They're not cheap! Around $5K new: https://www.skygeek.com/zodiac-inter...regulator.html
And here's astronaut Chris Hadfield joking around with one. 1:44 video:
Commercial pilot oxygen mask.
They're not cheap! Around $5K new: https://www.skygeek.com/zodiac-inter...regulator.html
And here's astronaut Chris Hadfield joking around with one. 1:44 video:
New plans added on 12/13/2024: Click here for 2,629 plans for homemade tools.
baja (Sep 3, 2019), high-side (Sep 2, 2019), rlm98253 (Sep 2, 2019), Scotsman Hosie (Sep 11, 2019)
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