Product Name: 3m 9502 3m882 Ffp2 Kn95 Facial Mask Stock Medical Surgical Dust Anti Virus Respirator Protective N95 Mask Model NO.: 3m Mask Type: Face Mask/Apron/Gloves Material: Non-woven Fabric Certification: CE, FDA, ISO13485 Ethylene Oxide Sterilization: Ethylene Oxide Sterilization Quality Guarantee Period: Two Years Group: Adult Logo Printing: 3m Mask Trademark: 3M mask Origin: Guangzhou Product Description Professional KN95 class protective mask, 95% effectively filter dust, viruses, bacteria and other harmful substances, is an excellent mask to prevent virus infection and influenza. Multi-layer professional design, ventilation does not affect normal breathing, comfortable to wear, limited supply on a first-come-first-served basis.N95 mask can effectively prevent the virus and flu!