Disposable Activated Carbon Face Mask 1.4 layers 2.anti-virus 3.deodorant 4.efficient Disposable Activated Carbon Face Mask 1.filter material - activated carbon 2.antivirus, deodorant, anti-dust and other effects.3.particularly suitable for preventing organic gases, acid volatile compounds, pesticides, SO2, Cl2 and other irritant gases occasions Disposable Activated Carbon Face Mask C0605