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INCLUDING: 1 Mask + 7 Activated Carbon Filters + 4 Breathing Valves. 4-layer filter can remove non-oil particles in air including dust, and other non-oil based particles. Ideal for Running, Cycling, and other Outdoor Activities
EASIER BREATHING: One-way discharge valves allow breathe out; The increased ventilation lets heat and moisture escape, preventing eyeglasses from fogging
SUPERIOR CONSTRUCTION: This dust-proof mask is made of premium Nylon, allowing breathe smoothly; Activated Carbon Filters protect you from dust pollution
COMFORTABLE DESIGN: Soft nose pad on filters and adjustable snap-on nose clip provide a better fit; Flexible ear loop reduces rubbing on ears; Replaceable filter increases ease of use
LONGER SERVICE LIFE: Included replacement filters sets (7 filters+7 nose pad+4 vent valves) extend service life for the dust mask; Mask is washable by hand to easily keep it clean; 1 Year Warranty provided by AstroAI.