KN95 Respirator The mask can effectively prevent various air pollution problems, ensure the respiratory health of the wearer, and effectively prevent droplet, haze PM2.5, pollen dust, automobile exhaust and industrial air pollution. The filter efficiency is 鈮?95%, and the non oil particles are 鈮?95% Quick Details Place of OriginGuangdong,China Product nameKn95 particulate protection mask (fish type) Brand NameTEYOUDA Size205mm*81mm Colorwhite Shelf Life3 years Layer5 Plys Packaging25pcs/BagKN95 Respirator website: