Discount China Waimaoniu Import and Export® Anti-haze masks are masks with respiratory protection. They must have sufficient filtering efficiency for pollutants. When wearing anti-haze masks, they must have sufficient closeness to the face. Anti-haze masks can effectively isolate pollution outside the mask as a whole. Air, try to make the wearer inhale the air filtered by the mask, and the resistance should not be too large, not harmful to people, and have acceptable comfort.