3M Files 5 More Lawsuits Claiming Fraud In Sales Of N95 Masks - StarTribune.com

kn95 mask

N95 Face Mask is made from electrostatic filter material, which may in opposition to PM2.5, block over 95% viruses and micro organism effectively. is made from 3-layers,inside and out of doors layers are PP non woven,center layer is high normal 99 filter paper. This N95 mask has a non-woven, activated carbon filter layer along with distinct