Oct. 2020
"N95" actually describes the filter grade, not the mask/gas mask itself. Masks that reach the N95 level can filter out more than 95% of particles larger than 0.3 microns in diameter.
Sep. 2020
Wash your hands before wearing a mask, or avoid touching the inner side of the mask during the process of wearing a mask to reduce the possibility of contamination of the mask.
