Product Name: 3m Face Mask Disposable Mask Ffp3 Mask N95 Medical Mask Model NO.: 3M Face Mask Logo Printing: Without Logo Printing Group: Adult Quality Guarantee Period: Two Years Ethylene Oxide Sterilization: Ethylene Oxide Sterilization Material: Non-woven Fabric Type: Face Mask/Apron/Gloves Filter Rating: N95/KN95/FFP2 Standard: EN14683-2019 Trademark: 3M mask Transport Package: Box Specification: 10pcs/box 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!