• Replaceable activated carbon filters to insert inside face masks.
• Pack of 10 single-use 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.