user 298779
Well-Known Member
- Joined
- Aug 1, 2021
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https://www.co2meter.com/blogs/news/co2-purity-grade-oxygen-purity-grade-chartsExcellent info on response… I found that to be true here. If you wanna see the differences in the O2 purity by classification see attached….and draw your own conclusions. The tank ratings are key.
Cheers
KBW.
Scroll down to see the O2 data.