24 часов корабль! к пыль с 2 pad активировать угольный фильтр колодки рм2,5 пыли 5 слоев unisex же, как

24 hours ship! k dust with 2 pad pm2.5 dust 5 layer unisex same as .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.