FFP2 FFP3 N95Disposable Face Mask Facial Medical Surgical Masks Clinical Sanitary Mask with Earloop. FFP2 mask KN95 4-ply particulate respirator KN95 Antivirus Flu Anti Infection PM 2.5 Protective mask. FFP2 KN95 4-Ply disposable face mask (China Excutive standard:GB2626-2006) * 4 layers of protection: PP non-woven outer layer