July is possibly when forest fire smoke will begin to come our way. The smoky haze used to last for days and lingered into our home.
A DIY Box Filter can help filter away the smoke. I put together a couple and they are super easy to build and affordable.
By using 20β box fans, these box filters can cover more space than a portable Air purifier and less expensive than HEPA filters.
DIY Box Filter
https://cleanaircrew.org/box-fan-filters/
BC Wildfire
https://wildfiresituation.nrs.gov.bc.ca/map
DIY box fan filters β 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