BFE: 99.1%
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3-ply High Density Filter (> 99.6%): Effectively Protects Against Virus, Bacteria Droplets, Pollen & Pm 2.5 Suspended Dust Particles.
SPECIFICATIONS:
BFE (Bacterial Filtration Efficiency) > 99.1%
VFE (Viral Filtration Efficiency) > 99.6%
PFE (Particulate Filtration Efficiency) > 99.5%
PM (Particulate Matter): 2.5
Made in Japan
Photo is for illustration purposes only.