The BASE CAMP Urban activated carbon dust mask filters out 99-percent of exhaust, pollen, fumes and other dusts
Adjustable Earloop HOOK&LOOP Strap & Adjustable nose clip - Dust face mask strap Not easy to slip, more comfortable to adjust the size to meet the most head type. Prevent fogging, fully formable nose clip ensures effective seal
Nearly Zero Air Obstruction - BASE CAMP dust mask Rapid Exhalation Valves with a plurality of holes, double air valve, offer maximum ventilation without sacrificing filtration
Multi-purpose - Anti pollution mask suitable for woodworking mowing painting construction cleaning running cycling hiking snowboard and other activities, it also can be used day to day wear, haze day protection and so on
Reusable and Washable - The neoprene dust mask shell and valves can be washed when they get dirty, the N99 filter is replaceable