в наличии! 2020 маска колодки фильтр 5-слойный из активированного угля с сменная пыле-доказательство маски рм2,5 анти haze fareplacement кол

in stock! 2020 5-layer activated carbon replaceable s of dust-proof mask pm2.5 anti haze fareplacement pads.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.