fashion face дыхательные клапаны мужчины женщины anti-dust рм2,5 ветрозащитный открытый анти загрязнения рм2,5 моющийся защитные с pad подар

fashion face breathing valves men women anti-dust pm2.5 windproof outdoor washable protective with pad gifts 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.