свободный dhl корабль! рм2,5 сменная 5 слойный face pad с активированным рм2,5 фильтр активируйте углеродистой маска сек дыхание рот муфельн

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