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A comment on Positive Pressure DIY Mask.

Re:Positive Pressure DIY Mask by russfink on Thursday March 19, 2020 @12:53AM (#22624597)
Could use a list of steps and parts, including common substitutions (aquarium air pump).
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Re:Positive Pressure DIY Mask by avmich on Friday March 20, 2020 @02:03AM (#22635353)
Wonder if an ejector pump, sucking ambient air and driven by air from a compressor (like auto compressor), would work adequately.
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