The PM 2.5 activated carbon filters are anti-odor, anti-dust, anti-gas, anti-bacterial, anti-PM2.5 Allergies,Smoke,Pollution,Ash, Pollen.
The mask filters provide comfortable protection and it is suggested to be replaced every week to be most effective.
What is PM 2.5?
A human hair is between 50-70 microns in diameter and the PM 2.5 filters are capable of filtering out particles 2.5 microns in diameter.
Masks are not a replacement for other recommended measures to stop the spread of Covid-19 so please continue to follow all recommended health guidelines.
As this is a hygiene-related product we cannot accept returns or exchanges.