dust sports face cover with 6 filters, 1 face cover and 6 filters included.unisex, suitable for outdoor sports, cycling, skiing, running, carpentry work cininery <br><b>1 dust face cover (including 1 filter) + 6 filters.nose to chin length: 5.9 inches ,nose to rear: 13.9 inches</b> <br> <b>smooth breathing:unique ventilation design, excellent permeability, double air breathing valve, air resistance is smaller,smooth breathing</b> <br> <br><b>unique design:nylon and spandex, very soft and comfortable, light texture, soft texture, fast drying, breathable, comfortable to wear.</b> <br> <br><b>adjustable velcro:velcro neck design ingenious,the size can be adjusted to meet the most head type</b> <br> <br><b>specifications:</b> <br>type: dustproof and windproof face cover<br>size: one size <br>material:nylon and spandex <br>function: windproof and dustproof <br>season: spring, summer, autumn, winter <br> <br><b>occasion:</b> suitable for running, cycling, hiking, skiing, crafts, gardening, anonymity and other outdoor activities, such as tourism,public places. suitable for children, the elderly, pregnant women, women, men, teenagers, etc. <br> <br><b>the steps about how to replaced the filter:</b> <br>1.open the face cover to expose the interior of the filter valve. <br>2.according to the open directions on the valve,turn the valve counter(clockwise),to separate the valve. <br>3.remove the filter. <br>4.replace the new filter,reverse the above steps,clockwise rotation of the valve,over. <br> <br><b>packing:</b> <br>1 *face cover(included 1 filter ) <br>6* filters <br> <br><b>attention: :</b> <br>1.face cover is washable while filter pads are not, and it is advisable to replace a filter pad after using it for 7 days. <br>2. please insert filter pad into face cover in the same way as shown in picture before using. <br>3. as different computers display colors differently, the color of the actual item may vary slightly from the above images, thanks for your understanding.