DIY Filter for the upcoming fire season
DIY Filter for the upcoming fire season
dynomight.net The Cuboid: A DIY air purifier that’s better than a box-fan
Designs for a quieter, more energy efficient purifier, and data proving it really works.
I came across this blog post -- considering that fire season is coming up (or already started in some places) and the PNW's track record, figured some folks may find this useful.
This is a pretty cheap air filter that is easy to construct with minimal tools and works better than putting filters onto a box fan.
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