Home / Hacker News / NEWS / New best story on Hacker News: Build a do-it-yourself home air purifier for about $25

New best story on Hacker News: Build a do-it-yourself home air purifier for about $25

November 14, 2018 Hacker News , NEWS Edit

Build a do-it-yourself home air purifier for about $25
491 by io_io | 206 comments on Hacker News.

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