Some real data on a DIY box fan air purifier Posted by dyno-might on Tuesday December 15, 2020 @11:06AM from the dyno-might.github.io dept. https://dyno-might.github.io/2020/12/15/some-real-data-on-a-DIY-box-fan-air-purifier/ ( no comments | 4 points | on HN )
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