Active Carbon Filter Face Mask

• The base camp urban activated carbon dust mask filters out 99-percent of exhaust, pollen, chemicals, fumes and other irritant dusts • Adjustable earloop hook&loop strap & adjustable nose clip - dust face mask strap not easy to slip • Base camp breathing mask rapid exhalation valves with a plurality of holes • Anti pollution mask suitable for Allergy woodworking mowing paint construction cleaning running cycling hiking snowboard and other activities • Reusable and washable that ensures prolonged usage