Key features

• •Our Brand - "carre.f" is only seller who sell this BeatBasic Outdoor Masks.This mask is Nylon, it is recommended to use in autumn and winter, in not hot places.BeatBasic's high quality outdoor masks are specially developed for Americans.Protection against dust, anti- vehicle exhaust, anti-pollen, PM2.5, for cycling, hiking, skiing and other outdoor activitie.
• •High quality- The mask is made with military grade filtration technology and comes with straps that are adjustable, ergonomic and comfortable. The mask is also fitted with a valve that automatically opens and closes allowing you to breathe smoothly.
• •Easy to use: Built-in exhalation valve lets air in and keeps moisture out, letting you breathe easier while keeping dust and other pollutants out.Our Outdoor masks can be washed and reused, all you have to do is change the filter.
• •About Size - The adjustable elastic straps can adjust the size you fits most. (kid under 8 years old are forbidden) , According to the person face design, keep out the bridge of the nose the following part, to prevent the slide. Prevent the bridge of the nose from being crushed and you can attach the bridge of the nose to the inside of the filter.
• •HOW LONG - The filter needs to be replaced after a period of use. In order to ensure the filtration effect, it is usually replaced once every 3-5 days.Note:Filter cannot be washed!!