Sell 3M 9542 KN95 Mask (10/15/25pcs) Particulate Respirator KN95 Protective KN95 Facemask best price

3M 9542 - Headwear Active carbon mask Protection effect is greater than 95 Features of mask with active carbon layer:It's to add a thin layer of activity to the particle respirator Carbon or other materials that adsorb gas can reduce some low concentration gases with unpleasant smell, that is to say, reduce peculiar smell and improve respiratory comfort. For example: odor from putrefactive substances (mainly organic substances) #kn95 mask #3m mask #3m n95 mask #n95 #mask #face mask