You will think "There's no way this actually works" but speaking from the experience of someone who did this for two years until I could afford my air filter, this thing is WONDERFUL. You can FEEL the difference.
Reposted from
BrooklynSC
Time to share this quick air filter solution for wildfire smoke once again. All you need is a box fan and a home air/furnace filter that you can get at pretty much any hardware store. Optional is some duct tape to get a good seal. Stay safe! #LAFires
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