Active Carbon Filters are sewn into MONATA dust masks to protects against cold weather, and the filter media helps reduce exposure to airborne biological particles, and filters odors
Air filter media: Active Carbon, helps protect from 99% of airborne particles, such as dust, pollen, shavings and contaminants from wildfires and air pollution
Dust mask filter material: Non-woven, Active Charcoal cloth
Dual exhaust ports allow for efficient flow of inhaling and exhaling
Package: 24 replacement N99 filters(not included mask)