сменная 5 слойного famask рм2,5 активировать угольный фильтр маску для лица pad рм2,5 дышащего рт 2.5 бумаги для анти пыль famask активирова

replaceable 5 ply famask pad pm2.5 breathable pm 2.5 paper for anti dust famask activated carbon anti mask pads.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.