- Dust masks: exhaust, pollen allergy, PM2.5, additional filter cotton sheets with dust masks with valves for running, cycling, field activities
- Isolation of 98% allergic masks of dust, chemicals, fine particles, gas, pollen, smoke. Dust proof masks can be used for anti dust, vehicle exhaust, pollen allergy, anti PM2.5
- Double air breathing valve with small air resistance and smooth breathing masks suitable for cycling, running, cycling, hiking, skiing, woodworking and other outdoor activities
- Convenient replacement: the mask can be washed to keep it clean when it gets dirty. You can filter yourself by replacing with another new valve
- Non woven fabric and activated carbon filter layer. With unique ventilation design, excellent breathability, and ergonomic design, cycling masks can be tailored to most people
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