Protection from harmful dust particles, haze, germs, allergies, smoke, pollution, ash, pollen, gardening, crafts, vehicles exhaust, and fumes. Ideal for people at risk for respiratory diseases, living in or traveling to areas with high air pollution and or smoke/smog levels.
Filter function:
First layer (Anti-stick cloth): filters micron dust; spun bound cloth
Second layer (Filter cloth): filters industrial pollutants, automobile exhaust, second-hand smoke, pollen, and allergies
Third layer (Activated Carbon): activated carbon cloth, benzene and a smaller function of filtering micron dust
Fourth layer (High Efficiency Filter Cloth): filter density, smaller material