KN95 Masks with Nasal Bridge are filtering facepiece respirators (FFR), which are sometimes called disposable respirators, are subject to various regulatory standards around the world. These standards specify specific required physical properties and performance characteristics for respirators to claim compliance with the particular standard. These specific KN95 masks have certificates on the certification tab.
Filtering Facepiece Respirator Recommendations
During pandemic or emergencies, health authorities often reference these standards when making respirator recommendations, stating, for example, those specific populations should use an N95, FFP2, or equivalent respirator.
MR Conditional at 3T or less
With no artifact and it does not set off the solo screener
