These filters fit snugly into the front pocket of 82473 face covering 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.