Product Description:
 
- CE ROHS FCC
- KN95 grade filter with certification proof 
- 5 layers of filtration protection
 
Made of:
-Soft non-woven fabric
-Double melt blown non-woven fabric
-Heat wind Cotton
-Skin-friendly non-women fabric
 
Recommended Use Time of Filter
- Up to 122 hours of normal environment usage.
- For High risk indoor area, up to 4 hours.