WHY SHOULD WE NEED THE DUST MASK?Our environment are full of dust, haze, vehicle exhaust, air pollution, the dust mask can keep you from 99% dust ,dirt , pollen, allergens, fumes or particulates that effect you breath in the air.ABOUT THIS PRODUCTFUNCTIONHealthy breathing -- Active carbon filters isolate 95-percent of dust, chemicals, fumes and particulatesSmooth breathing -- Unique ventilation design, excellent permeability, double air breathing valve, air resistance is smaller,smooth breathingMaterial: chinlon, nylon diving FabricsDesign: Ergonomic to human faces, covering area below bridge of nose, non-slippery aluminum fitting parts, with small holes for breathingHOW TO USE:1.Put the dust mask between the nose and chin.2.The back of the mask can be fixed with a Velcro.3.Check if it is appropriate: cover your face with your hands,then breath hard and feel if there is air flow.4.Make sure you are comfortable after wearing this mask by adjusting the back of the Velcro.NOTE:Fully washable, but please do not knead it，after naturally dry and you can use againPACKAGE INCLUDING:1*Dust Mask3*carbon filter piece
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