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Positive Pressure DIY Mask | Dark Hacker News
Positive Pressure DIY Mask
(hackaday.com)
13 points
by
mbjorkegren
6 years ago
| 2 comments
russfink
6 years ago
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Could use a list of steps and parts, including common substitutions (aquarium air pump).
avmich
6 years ago
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Wonder if an ejector pump, sucking ambient air and driven by air from a compressor (like auto compressor), would work adequately.