this post was submitted on 16 Mar 2026
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cross-posted from: https://sh.itjust.works/post/46256923

why don't they just do this? are they stupid?

Centurii-chan | Bluesky | XCancel

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[–] brucethemoose@lemmy.world 53 points 2 days ago (2 children)

Also, as a bonus, put a cheap 4-inch AC filter on that box fan.

Now you have:

  • Zero dust in your PC

  • Noise dampening

  • A high CFM air purifier, right in your room.

[–] tburkhol@lemmy.world 33 points 2 days ago

Get a 20x20x4" filter, and the fan will suck it right to itself. Don't even need mounting materials.

I do that with my tower fan and it’s incredible. Just zip tied the filter on and let er blast.