Physics professor, students build COVID-19 filtration system


When reinstalling an air conditioner filter, it is crucial to ensure it is sealed correctly. Any gaps around the edges will allow dust to enter the system, causing the coils to clog.

FAYETTEVILLE, Ark. (KNWA/KFTA) — A professor and a group of his students at the University of Arkansas have developed a do-it-yourself air filter that outperforms expensive filtration systems.

Hugh Churchill is a physics professor at the university.

After the controversy surrounding vaccines and masks, he decided to tackle the COVID-19 problem from a different angle.

The result is a homemade air purifier that can be made at home for less than $100.

“A do-it-yourself filter that you can build for $80 or $90 can exceed the performance actually in terms of clean air delivery rate of a commercial filter that costs several times as much.

Churchill explains how to built a filtration here.

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