Recent searches
Search options
https://cleanaircrew.org/box-fan-filters/
How to make a DIY air Filter for school or home.
Clean Air Crew - COVID19 transmission and prevention resources. Airborne transmission, masks, ventilation, filtration, school info, and more. · DIY box fan filters – Corsi-Rosenthal box - Clean Air CrewAlso known as a Corsi-Rosenthal box, this DIY method of building your own air filter with MERV13 furnace filters and a box fan are an easy and cost-effective way to help clear indoor air from airborne virus particles, wildfire smoke, pollen, dust, and more! If you can seal a box, you can build one (or