washable cotton face mask рм2,5 для взрослых дети ребенок анти рм2,5 пыль активированный уголь ветрозащитный рм2,5 колодки

mask factory replaceable anti-fog protective disposable cotton safety anti-pollen dust mask pad no w64h tcpt 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.