Background:
This air cleaner is a homemade system that is useful for lowering the levels of respiratory aerosol particles
Here’s the standard Corsi-Rosenthal box instrucrions: https://corsirosenthalfoundation.org/instructions/
There’s no need for 2" filters. 1" works fine to filter a large room with the standard box fan in several minutes. That’s also what the standard guide recommends. Couple of days ago at the peak smoke in Toronto it got the PM2.5 from 50 to 0 in under 10 minutes.
Lemmy hugged the site to death, but archive.org has some snapshots.
https://web.archive.org/web/20260517182405/https://corsirosenthalfoundation.org/instructions/
I wish filter media wasn’t so fucking expensive
And that Canada was not on fire
And that USA still had science & was treating the climate emergency like an emergency
Trump says he’s going to tariff Canada to punish them for being on fire. So they’re doing something to help.
Look at all that carbon they’re exporting to us for free? How can American polluters compete with that???
There’s also this one as 3D print solution with smaller filters.
