Product description 1 Mask + 5 Filters. Dust mask features: Healthy breathing:Active carbon filters isolate 99-percent of dust, chemicals, fumes and particulates Smooth breathing:Unique ventilation design, excellent permeability, double air breathing valve, air resistance is smaller,smooth breathing Unique design：nylon and spandex, very soft and comfortable, light texture, soft texture, fast drying, breathable, comfortable to wear. Adjustable Velcro:Velcro neck design ingenious,the size can be adjusted to meet the most head type Mask specifications: Type: Dustproof and windproof mask Size: one size Material:nylon and spandex Function: windproof and dustproof Season: Spring, Summer, Autumn, Winter Mask Occasion: Suitable for running, cycling, hiking, skiing, crafts, gardening, anonymity and other outdoor activities, such as tourism, hospitals, public places. Suitable for children, the elderly, pregnant women, women, men, teenagers, etc. The steps about how to replaced the mask filter: 1.Open the mask to expose the interior of the filter valve. 2.According to the OPEN directions on the valve,turn the valve counter(clockwise),to separate the valve. 3.Remove the filter. 4.Replace the new filter,reverse the above steps,clockwise rotation of the valve,over. Packing: 1 *Dust Mask(Included 1 filter ) 5* Filters Attention: : 1. Mask is washable while filter pads are not, and it is advisable to replace a filter pad after using it for 7 days. 2. Please insert filter pad into mask in the same way as shown in picture before using. 3. As different computers display colors differently, the color of the actual item may vary slightly from the above images, thanks for your understanding.
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