рм2,5 сменная 5 слойный маска для лица pad с маской фильтра рм2,5 активированный уголь маска сек дыхание рот муфельной вставка cca12039

pm2.5 replaceable 5 ply face mask pad with activated carbon mask s breathing mouth muffle insert cca12039 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.