маска famask к водонепроницаемой маске pad дышащего слоя 5 рм2,5 активировать угольный фильтр заменяемой изоляция pad анти-туман и пыль маск

mask famask k waterproof mask pad breathable isolation pad anti-fog and dust mask convenient replacement mat.1.the first layer: high efficient filter cloth filter the dust of micron.2.the second layer: meltblown cloth to filter industrial pollutants, automobile exhaust, second-hand smoke pollen allergies.3.the third layer: high efficient filter cloth filter benzene and a smaller function of filtering dust microns.4.the fourth layer: activated carbon cloth filter density, sma.