KF94 Face Mask (0)

KF94 masks

• Percentage of aerosol particulates filtered: 94%
• NIOSH-approved: No
• Who should wear one: Anyone who wants to maximize protection from the ultra-contagious omicron variant.  

KN95 masks

• Percentage of aerosol particulates filtered: 95% (but see below)
• NIOSH-approved: No
• Who should wear one: Anyone who wants to maximize protection from the ultra-contagious omicron variant.  

N95 masks

• Percentage of aerosol particulates filtered: 95%
• NIOSH-approved: Yes
• Who should wear one: Anyone who wants to maximize protection from the ultra-contagious omicron variant. N95s labeled "surgical" should be reserved for health care workers

from https://www.cnet.com/health/medical/n95-vs-kn95-vs-kf94-masks/