cwre 5 лот слой взрослый ребенок колодка рм2,5 сменного фильтр с 5 activate углеродного insert защитного коврика haze рта заменяемой сек рм2

cwre 5 lot layer adult child pads insert protective mat haze mouth replaceable s pm2.5 mask pad face.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.