Science Lab Education Washable Dust Filter Washable Reusable Dust Washable Filter and Reusable Mouth Windproof Warm Cotton Face
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You Can Freely Change Its Length According To Your Facial Contour.
100% Polyester.New
Very Soft, Breathable, Waterproof, Washable. The Elasticity Of The Buckle Can Be Adjusted.
Equipped With Two Activated Carbon Filters With Replaceable 5-layer Protection, M-shaped Nose Clip.
Suitable For Cycling, Camping, Running, Traveling, Climbing And Daily Use
Protects Your Mouth And Face From Dust, Cold, Dust, Pollen, Allergies, Fog And Haze, Exhaust Emissions, Passive Smoking, And More
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