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The Homemade Air Purifier That's Been Saving Lives During the Covid-19 Pandemic | Innovation| Smithsonian Magazine
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How to make a box fan filter to clean indoor air of smoke | Interdisciplinary Center for Exposures, Diseases, Genomics and Environment
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Has anyone used a filter on a box fan before? How did it go? I figured it would be a good idea since AQ isn't the best in my basement. : r/gpumining
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