одноразовые pad для рм2,5 маски для лица с activate угля детей взрослыми face mask пыле анти рм2,5 подходит для n09

disposable pad for kids adult face mask dustproof anti pm2.5 suitable for n09 features: 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.