PM2.5 Activated Carbon Filters-10pcs

Style No :FILTER-PM25 Material:PP anti-sticking cloth + melt blown cloth + activated carbon cloth Condition:NEW Included:One pack: 10pcs of filters only, mask NOT Included. Suggested Age Group:AdultCare + Wash: Application: Anti-dust, Smoke, Pollution, Ash 1st layer: high efficient filter cloth filter the dust of micron.2nd layer: melt blown cloth to filter industrial pollutants, automobile exhaust, second-hand smoke pollen allergies.3rd layer: high efficient filter cloth filter benzene and a smaller function of filtering dust microns.4th layer: activated carbon cloth filter density, smaller material5th layer: spunbond cloth, filter out most harmful substances.