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N99 Mask provides superb protection against airborne particles. All of our N99 Masks are National Institute for Occupational Safety and Health (NIOSH) approved or of the same standard in Bacterial Filtration Efficiency (BFE) and breathability. 72Hours ensures all of our N99 masks are genuine and meet up to all standards and regulations advertised.
N99 Masks has a Bacterial Filtration Efficiency (BFE) of up to 99% at 0.3 microns
By protecting yourself from airborne particles, you are also decreasing the change of spreading germs and airborne particles to others.