Differences among N95, KN95, FFP2
Filtering facepiece respirators (FFRs), sometimes called disposable respirators, are subject to different regulations around the world. These standards specify the required physical properties and operability.
1. Evaluation standards and ability to filter bacteria:
|Standard||United States NIOSH- 42CFR84||GB2626-2019(since 01/07/2020)||Europe EN 149-2001|
|Filtration performance||At least 95%||Same as N95||At least 94%|
- N95: This is a common mask for the prevention of influenza. It is effective according to the CDC in preventing the spread of influenza, swine flu, bird flu transmitted from person to person. The N95 respirator is designed to fit snugly through the nose and mouth, providing high effectiveness in prevention
KN95: These are mask lines with dust filter standards applied to particular cities such as Beijing, China.