Easy to install 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. Packaging includes: 1x Cycling m.a.s.k,5x Activated carbon filters.
- Note: Please check whether the breathing valve is loose before each wearing. If it is loose, please tighten it clockwise to prevent the valve from falling off. Type B0894GXTB4 into amazon search bar to buy more authentic filters.
- The m.a.s.k made of nylon, which offers excellent permeability.comfortable and breathable to wear in hot weather. The filter is made of five layers of non-woven and activated charcoal microfiber.
- The ergonomic design will bring a sense of security when you are cycling.designed to match your face and there is the PVC memory resetting nose pad, which is uneasy to break or deform, to avoid it falling down.
- Great for dusty biking, raves, and outdoor sports like paintball, hiking, yoga, exercising, riding, yard work, home improvement projects.
- Packaging includes: 1x Cycling mask,5x Activated carbon filters+2xSpare breathing valves.（Duration time for filter depends on the breathing rate of the user and the pollution level. We recommend that you replace the filter element after using the mask twice）