Designed for outdoor sports using fiber-reinforced fabrics with static electricity. The filter layer of the mask is replaceable and is equipped with two breathing valves to reduce the difficulty of inhalation. The shape of the mask helps the face to fit, and the nose clip portion can be adjusted according to the shape of the user's nose, and the gap between the bridge of the nose and the cheek can be sealed as much as possible. The material has a moderate hardness and is not too soft and easily deformed or too hard to cause uncomfortable problems. Manufacturers say masks can filter more than 80% of 0.3 micron particles. Although the filtration efficiency is less than 95%, it is estimated to be sufficient when the haze is not too serious. When the smog is serious, don't go out for exercise.
The function of the sports mask
What are the unique features of Cotton mask?
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