CE Certified Multiple Use Professional Medical Mask - Antibacterial effectiveness 95,7% - Filtration effectiveness more than 98% - Made in EU Advantages of the mask: 1. TWO WAY PROCETION - 3-layer filter with an outer and inner hydrophobic layer and filtration insert with a silver content, filters an inhaled air and protects the person, who wears the mask and unlike respirators, it fitlers also an exhaled air and protects people in the surrounding 2. REUSING - After the all-day use only replace the filter 3. ECOLOGICALLY-FRIENDLY ELIMINATION OF USED FILTERS 4. ELIMINATION OF FOGGED GLASSES 5. UNLIMITED LIFETIME