Silent FFP2 Foldable Dust Mask Features: It easily adapts to the shape of the nose. Even after multiple uses, it does not cause issues. Aesthetically hidden in a compartment, it does not pose additional risks in terms of occupational safety. It has an ultra-fine and lightweight fiber structure. Provides high filtration efficiency. Low breathing resistance. Recommended Industries / Use: Hospitals, Pharmaceutical Companies, Clinics, Laboratories, Food and Beverage Manufacturers. Hazards: Particles. Standards and Certifications: EN149:2001 +A1:2009 FFP2