Item: Folding acid gas protective mask(KN95)
Item No.: ZK 9505CV (valved)
Standard:GB2626-2006
Product mix:
Outer layer:Non Woven Layer
Second layer:Anti-dust Filter Material
Third layer:Activated Carbon Filter Material
Forth layer:Antibacteria Filter Material
Fifth layer:Nano Filter Material
Inner layer:Skin-friendly lining
Storage humidity: 80% MAX
Shelf life:Three years