3M two-piece packaging 9501 KN95 foldable protective mask (ear strap / standard size)

Product Name: 9501 Particulate Matter Respirator
Model: 9501
Product Description:
Particulate Matter Respirator is used to protect certain non-oily particulate
matter, including dust, smoke and fog produced by various mechanical forces or heat.
It can be used to protect metal fumes such as welding fumes, lead fumes, casting fumes, and certain heavy metal dusts; it
can be used to protect microbial particles such as bacteria, viruses, molds, etc. (note: not specified in the manual);
9501 ear strap type / standard number