взрослый 2 5 к безопасный анти пыль дышащий к famask 3 слой колодок 95% фильтрация

2 5 k safe anti dust breathable k famask 3 layer pad 95% filtration.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.