❤️Replaceble activated carbon filter: chelps you breath in a more clean way. Activated Carbon isolates 95% of dust, pollen l particulates etc. With the replaceable design, you only need to change the Filter instead of the entire mask.
❤️Somatological design provide most comfort to users. Comfortable fabric, adjustable nose pad and Ve/cro（hook and loop fastener） closure to meet most people's specific needs.
❤️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.
❤️Excellent in windproof and dustproof performance, typically good for buyers who like cycling, running, or doing other outdoor activities.
❤️ Our promise: Shipped at the fastest speed, can be delivered to you in two to three days, our products are made of high-quality materials. However, if for some reason you are still not satisfied with our products, please notify us immediately, we will try our best to solve your problem after communicating with you.