Try this DIY indoor air purifier to get cleaner air
January 13, 2023 | 12:31 PM GMT
An air cleaner can help remove indoor pollutants and reduce the spread of pathogens such as the coronavirus. Washington Post reporter Lena Sun demonstrates how to make a Corsi-Rosenthal box using MERV-13 air filters, a box fan, duct tape and cardboard.
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Tobi Tarwater
Update: 2024-08-27