жарко! сменная 5 слойного рм2,5 маска для лица pad рм2,5 с активированным углем пыль pm 2.5 с воздушной маской

mask fiters disposable facial pad non-woven haze mask pad universal protective breathable replaceable mask lot 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.