Face Mask Filters - Pack of 10

Replaceable activated carbon filters to insert inside face masks. - Pack of 10 disposable filters - Recommended to use 1 filter for up 3-4 days - Uses: Anti-odor, Anti-dust, Anti-gas, Anti-Bacterial - Imported Has a 5 layer filter protection: First layer: High efficient filter cloth filtering dust microns. Second layer: Meltblown cloth to filter industrial pollutants, automobile exhaust, second-hand smoke pollen allergies. Third layer: Activated carbon cloth filter dense and extremely small particles. Fourth layer: High efficient filter cloth filtering benzene and dust microns. Fifth layer: Spunbond cloth to filter all kinds of harmful substances.