Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer's ...

Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer’s ...

Torii Station, Japan – The U.S. Army Garrison Okinawa Safety Office conducted annual fit mask testing for Logistics Readiness Center (LRC) personnel this month to ensure compliance with Army safety ...