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Showing content with the highest reputation on 02/01/2017 in all areas
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G'mornin Bob! I've been using welding oxygen for 7 years now with no ill effects! The O2 itself is the same as medical....the difference is that medical tanks are vacuumed prior to refill while welding tanks just get a sniff test. Just don't let them know that you intend to breathe it! Dallas Denny1 point