1. NIOSH N95 approval. (Approval number: TC-84A-4326)
2. At least 95% filiration efficiency against solid and liquid aerosols that do not contain oil
3. Exhalation valve make breathing easier and reduce hot air build up.
4. Protruded wings prevent punching staple holes on the mask .
5. Low breathing resistance and long life time for use.
6. Latex-free synthetic rubber head strap.
7. Recommend application: iron and steel industry, hospitals, mining, underground civil engineering, disease control and others.
packing: 15PCS/BAG/BOX; 20BOX/CTN