[Type]: Cup type Folding type
[Usage]: Wear it in sever fog and haze, automobile exhaust,kitchen,etc.
[Function]: Filter efficiently all kinds of particles in the air.
[We have certifications]:FDA/CE/Partial capacity for NIOSH
[Duration]: Mild pollution-40hours,Moderate pollution-30hours, Heavy pollution-20hours,Severe pollution-8hours.
1.If the mask is damaged, damp or not breathing smoothly, please replace the mask immediately.
2. Do not modify, wash or exchange the disposable mas...