I've been taping filters to box fans for decades. Got them running in my home an... | Hacker News

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		oblib on Feb 11, 2021 \| parent \| context \| favorite \| on: Dyson air purifier outperformed by cheap DIY box f... I've been taping filters to box fans for decades. Got them running in my home and office 24/7. I put a filter on each side. It's pretty impressive how much they catch.

souprock on Feb 12, 2021 [–]

2-sided is a great idea. It would cut down the noise. Put a washable pre-filter on the intake, and a disposable HEPA filter on the output.

What about fit though, with the homegrown solution? Is that a square foot of tape to fill the gaps? Changing filters looks to be a big taping job.

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