These filters fit snugly into the front pocket of your cover, and help to filter harmful pollutants from the air.
Each filter can be worn continuously for 16-20 hours, or if used occasionally can last up to a week!
These filters are made from five layers of melt-blown, spun-woven, and activated charcoal filter cloth, which absorbs harmful gases and prevents particles above 2.5 Micrometers from passing through.
Not required for face mask use.
Added level of protection.
40% non-woven fabric
40% melt-blown fabric
20% activated carbon