- Dual One-way Discharge Valves make reduces air resistance without sacrificing filtration.
- Chin Closely Fit: Air can only pass through the filter, not through the gap.
- Elastic: One size fit most people, suitable for adult, men and women.
- Reusable: Cotton mask parts can be reused after cleaning
- Can be used in multiple occasions: apply to haze, dust, pollen allergy, vehicle exhaust, outdoor activities, cold weather ,smoggy weather and other protection
This item is final sale and not eligible for returns.