Pelican's Perch #13:
Getting High on Welder's Oxygen

Having problems finding Aviator's Breathing Oxygen to refill your bottle? Upset about the rip-off prices some FBOs charge for an O2 fill? Don't put up with it, says AVweb's John Deakin, who explains why it's perfectly safe and perfectly legal to use cheap welder's oxygen, and tells you exactly what you need to know to buy it in bulk and do your own refills.

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