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DIY box fan filters – Corsi-Rosenthal box
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(cleanaircrew.org)
18 points
coatmatter
3y ago
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DIY box fan filters – Corsi-Rosenthal box | Better HN
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coatmatter
OP
3y ago
Also see the FAQ for various other build options and information:
https://cleanaircrew.org/boxfanfilterfaq/
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