I did the one with only 1 filter, it cleared the apartment in 20 minutes.
$83 for supplies (incl. tax) because we didn't have a box fan or tape or a plastic sheet for the AC leaks.
If you have a box fan and tape and some cardboard, it would have been $29 (incl. tax)
#wildfires #CanadianWildfires
cleanaircrew.org
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...
s. e. smith @sesmith.lol
Comrades with wildfire smoke: Really do wear respiratory protection, that shit isn't just bad in the moment, it has serious long-term health implications and not just for your lungs! If you don't have an air purifier really do try to get one, if possible, and REMEMBER TO CLEAN AND CHANGE FILTERS.
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