A cheap, do-it-yourself air purifier is powerful enough to effectively protect a home from free-floating flu and COVID-19 viruses, according to test results from the U.S. Environmental Protection Agency. The filter, crafted with common hardware store supplies costing $60,...
A cheap, do-it-yourself air purifier is powerful enough to effectively protect a home from free-floating flu and COVID-19 viruses, according to test results from the U.S. Environmental Protection Agency.
EPA tests showed that these homemade filter boxes removed 97% of airborne viruses from a room after running 30 minutes, and more than 99% of virus particles after an hour. “You're taking a mechanical fan, and you're basically drawing air through the filters,” said Marina Creed, director of the University of Connecticut’s Indoor Air Quality Initiative. “The clean air is being released up through the top of the fan.”
The team also has donated materials and lesson plans for 100 box filters to the Connecticut Education Association, so schools could improve indoor air quality while teaching students some scientific and technological concepts. In July, Creed took the kids' Owl Force One box to the EPA’s Office of Research and Development in Research Triangle Park, N.C., for advanced testing.
The EPA tested Owl Force One on a low speed, which is what teachers have been using to keep the fan noise down in their classrooms, Ratliff said.
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