Pioneeryao Sport Dust Mask Cycling Running Outdoor Face Mask Starter Training Mask for Men and Women
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<b>[Product Information]</b><br>
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<li>REPLACEABLE ACTIVATED CARBON FILTER -- helps you breath in a more CLEAN and more ENVIROMENTALLY FRIENDLY way. Activated Carbon isolates 95% of dust, pollen, hazardous chemicals, heavy metal particulates etc. With the replaceable design, you only need to change the Filter instead of the entire mask, which is more environmentalist.</li>
<li>TWO VALVES DESIGN act as blockers to the air, which help to achieve the effects of high altitude&low air concentration condition. This will increase the efficiency of your lung capacity training to some extent.</li>
<li>SOMATOLOGICAL DESIGN provide MOST COMFORT to users. Comfortable fabric, Adjustable Nose pad and Velcro closure to meet most people's specific needs.</li>
<li>Excellent in windproof and dustproof performance, typically good for buyers who like cycling, running, or doing other outdoor activities in autumn, winter and spring.</li>
<li>What we promise: Our product made of high quality materials. But if you are still not satisfied with our products by some reason, please let us know, we promise 100% refund will be issued after communication.</li>
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