- Replaceble activated carbon filter: helps 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 Velcro（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.
- Excellent in windproof and dust proof performance, typically good for buyers who like cycling, running, or doing other outdoor activities.