Bud TalbotJun 7, 2023

🔥USA East Coast friends: if the #Wildfire smoke is thick in your area, build a Corsi-Rosenthal box filter. These are inexpensive to build and very effective, and they filter and exchange the air in your house very efficiently. We use them extensively here in the western US when the fire smoke is bad. See this resource for how to build one:

https://cleanaircrew.org/box-fan-filters/

#smoke
#airquality
#airfilters

DIY box fan filters – Corsi-Rosenthal box - Clean Air Crew

Also 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

Clean Air Crew - COVID19 transmission and prevention resources. Airborne transmission, masks, ventilation, filtration, school info, and more.
Show threadAI6YR Ben
@bud_t #smoke #wildfires #air #filter
Jun 7, 2023 at 1:55amWeb
Show threadBud TalbotJun 7, 2023
@ai6yr after the #MarshallFire here in Boulder county, I think I had the entire town building C-R box filters. I even gave a few away.