Description Disposable respirators, are subject to various regulatory standards around the world. During pandemic or emergency situations, health authorities often reference these standards when making respirator recommendations, stating, for example, that certain populations should use an “N95, FFP2, or equivalent” respirator. – Australia’s P2 standard, – Chinese KN95 standard, – Korean KF94 standard, – European FFP2 standard, – USA’s N95 Niosh standard, Respirators certified as meeting any of these standards can be expected to function very similarly to one another. You are buying certified KN95/KF94/FFP2 Masks. The KN95/KF94/FFP2 specifies that respirators filter performance is ≥ 95%/94%. Please see the comparison table by clicking here. The KN95 face mask meets GB2626-2006 standard for respirators, the KF94 face mask meets KF94 standard for respirators, and the FFP2 face mask meets European EN149:2001 A1:2009 standard for respirators. GB2626-2006, KF94 and EN149:2001 A1:2009 standard certified products are designed to protect against solids, water-based aerosols, and oil-based aerosols.