Covaflu KN95 Face Masks provide 95% particle filtration using a 4-ply design: 2 melt-blown inner filtering layers and 2 skin-friendly non-woven outer layers for comfort. Covaflu was created in 2007 by Clinova, a British consumer healthcare company with exceptional manufacturing standards that meet international KN95 specifications.
https://www.amazon.com/COVAFLU-KN95-Disposable-Fold-Masks/dp/B089P1RC2K

