Learn how to build a Corsi-Rosenthal box. The device was created to provide significant reduction in the amount of virus-laden, aerosol particles that are in the air. Follow along as Dean Richard L. Corsi, co-inventor, shows you the major components of this device, and how to build one.
Background:
This air cleaner is a homemade system that is useful for lowering the levels of respiratory aerosol particles
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.
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/