pad для детей для взрослых famask пыле анти рм2,5 подходит для activate угольного фильтра рм2,5 n09

pad for kids adult famask dustproof anti pm2.5 suitable for n09.1.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.