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. FUNCTION HEALTHY BREATHING-Active carbon filters isolate 95% of dust, chemicals, fumes and particulates. SMOOTH BREATHING-Unique ventilation design, excellent permeability, double air breathing valve, air resistance is smaller, smooth breathing. NOTE * Please tighten the valves to make sure they are tight before using the dust proof mask. * Please kindly know that measurement of size above is for your reference, there might be slight allowable discrepancy. * The color of the item might appear slightly different because of different screen display setting. HOW 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. PACKAGE INCLUDING: 1*Dust Mask GUKOO half face mask will help you reduce the damage of your respiratory in the bad weather. Dustproof, Windproof, Waterproof, Breathable. Perfect for Cycling, Hiking, Running. It is your best choice!
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