Researchers from the Silent Spring Institute, Brown University’s School of Public Health, and Brown University’s School of Engineering discovered that inexpensive air filtration systems known as Corsi-Rosenthal boxes are successful at lowering indoor air pollutants. The study, which analyzed the effectiveness of Corsi-Rosenthal boxes installed at the School of Public Health to help prevent the spread of COVID-19, is the first peer-reviewed study of the efficacy of the boxes on indoor pollutants, according to the authors.
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