Certifications:Bacterial Filtration Efficiency (BFE) ASTM F2101: > 95%Tested by TUV SUD PSB SingaporeHSA License no. ES0501407ISO 13485 & FDA Certified Manufactured in ISO 7 Cleanroom Certified FacilityProduct information:Size: 175 mm x 95mmPurpose: Protection against inhalation of pathogens andairborne dropletsPackaging specification: Bag Of 50pcs Per Box