Surgical Mask, 2 pieces / packet
Regular Size
Made in Japan
Virus and pollen are blocked 99% by the Fine Particle Block Filter.
PFE: 99% on average (0.1 micron particle collection efficiency test)
BFE: 99% on average (bacteria droplet collection efficiency test)
VFE: 99% on average (virus droplet collection efficiency test)
Pollen particles: 99% on average (pollen collection efficiency test)
