Coronavirus FFP2 N95 Facial Mask 4 Layers with CE Flu Certification Medical Mouth Mask Anti Infection Equal Protection as KN95 KF94 FFP3 10/20/50PCS. 5.00 out of 5 Novel coronavirus (2019-nCoV) 3M 9001V KN90 Vent Anti-dust Masks Anti PM2.5 Industrial Construction Dust Pollen Haze Gas Family&Pro Site Protection Tool.