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 also this one as 3D print solution with smaller filters.
https://www.oddcube.com/
https://www.youtube.com/watch?v=GpA7-EJpKWU