KN95 Black 95% Filtration, Respiratory Protection, 3D dimensional structure design, Comfortable for Blocking PM2.5, Haze, Pollen, Exhaust Gas Black
The KN95 is an industry standard for respiratory equiopment which has the intended effectiveness of filtering 95% of particulate grater than .3 microns.
KN95 with 4 Layers masks are considered respiratory protective equipment that conform to GB2626-2006 standards. They offer significant protection over standard surgical blue 3 ply masks
These masks are are approved to provide protection against harmful airborne matter.