pbjtk hot! сменная 5 слойный маска pad рм2,5 фильтр рм2,5 с активированным углем fa2.5 сек air designer luxury pm

pbjtk hot! replaceable 5 ply mask pad pm2.5 with activated carbon fa2.5 s air designer luxury pm.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.