KN95 masks have arrived, professional protection level, the middle dissolving spray cloth has strong electrostatic adsorption capacity, self-charged, and can efficiently filter 0.3 micron dust, smoke, microorganisms, bacteria, influenza viruses and other tiny Particulate, filtration efficiency is greater than 95%. This mask is produced by a regular company. The quality is guaranteed. Pick it up near LA, Ontario and Monterey Park. Buy more will get more discount . Text to 323-416-9092