![]() He’s now hearing from friends in the Northeast who are using his idea. Corsi said he wanted to create an inexpensive purifier that the average American could afford. Jim Rosenthal, CEO of Tex-Air Filters, took the design and built it. He said in 2020, he was sketching one night and put the design up on Twitter. ![]() The power of social media led to the invention of the box, co-inventor Richard Corsi, dean of the College of Engineering at the University of California at Davis, told The Associated Press. “I was able to filter out all the particles in the air basically back down to what I saw last week within a matter of minutes.” “I can confidently say this thing is working really well today,” she said. Zamora said she has done several tests at the university, public schools and her own home on the purifier. Petri Kalliomäki, a postdoctoral researcher at the University of Maryland’s School of Public Health, said their clean air delivery rate is relatively high and can be used to purify air against not only smoke, but pollen and viruses.Īt the University of Connecticut Thursday, Misti Levy Zamora, an assistant professor in public health sciences, and her colleagues were handing out Corsi-Rosenthal purifiers for free to anyone stopping by. Public health experts say Corsi-Rosenthal purifiers are highly effective at removing particles from the air. “It does a lot better than the normal air filters.” “It works extremely well and will save your life with really smoky days,” she says in the video. In her video, which has amassed more than 600,000 views, Robertson duct tapes four 20-by-20 air filters into a box shape and attaches the fan on top. Seattle resident Angel Robertson, 34, posted a video on a New Yorker’s TikTok demonstrating how to put it together. Some East Coast residents are learning about the box fan method for the first time, unlike their West Coast counterparts who are accustomed to wildfire smoke. The technique, known as the Corsi-Rosenthal method, has gained attention in recent years amid the pandemic and raging western U.S. NEW YORK - Social media users are sharing a surprisingly effective way to protect yourself indoors from the toxic wildfire smoke blanketing much of the East Coast: a box fan, four air filters and a whole lot of duct tape.Īs searches for “air purifiers” spike on Google, people are posting on TikTok and Facebook about how to build the DIY air purifier. ![]()
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