3M masks have different protection levels depending on the model.

3M and 3M masks

3M is both the name of the company and a registered trademark. 3M, the full name of Minnesota Mining and Manufacturing Company, is a global diversified technology enterprise. 3M masks refer to all products produced by 3M that can be called masks, such as thermal masks, anti-particle masks, medical protective masks, and medical surgical masks.

Protection levels of 3M masks

3M masks have different protection levels depending on the model. For example, the 3M9001 anti-particulate mask only meets the minimum filtration efficiency of the national standard, that is, the KN90 mask; the 3M8210CN dust mask can meet the medium filtration efficiency, that is, the KN95 mask; and the 3M8233 anti-particulate mask can meet the highest filtration efficiency, that is, the KN100 or KP100 mask.