Maybe office spaces can use this overnight? June 25, 2020 Far-UVC Light Safely Kills Airborne CoronavirusesFar-UVC light (222 nm) efficiently and safely inactivates airborne human coronavirusesThis reminds me of water purifier using UV filter for hiking. The only issue I had with it (when used in past), it would not turn on when used in water in mountains (it worked at home on tap water just fine though).Found on reddit. Share Get link Facebook Twitter Pinterest Email Other Apps Share Get link Facebook Twitter Pinterest Email Other Apps