Particulate matter (PM2.5), refers to particles in the air that cause pollution. These particles are from a variety of sources, both indoors and outdoors. Cambridge Mask pollution mask Even at moderate levels, it can still be harmful to sensitive people and the use of a pollution mask is recommended. Though the ...
Material:Cotton
Air Pollution Face Mask with PM2.5 Filters
With adjustable nose bridge and hook strap, fit a variety of face, comfortable to wear
Reduce the risk of breathing in gases, noxious smells, pollen, smoke, dust and other harmful particles
With breathing valve, it allows air to enter the body whilst keeping ...