Disposable Face Mask KN95 With Valve Black. Application: Particles such as those from grinding, sanding, sweeping, sawing, bagging, or processing minerals, coal, iron ore, flour, metal, wood, pollen, jewel rafting, ceramic machining, and other dusty operations, housework, sanitation work, lawn care. Specifications: - Mask material: Non-woven . - Function: Anti Particulate, Anti-fog PM2.5, Anti-dust. - Type: Ear Hanging, Foldable with Valve, (Head-mounted). - Color: Black. **For further product information, please contact Chat Support**