Description
size；90×145mm
efficacy； This will cut 99% of the fine particles of the cold virus splash measures in the air.
This will strongly prevent the intrusion, such as PM2.5 · virus.
BEF (filtration efficiency of coughing and sneezing of splash, such as wind: 3μm) ···
PFE (particulate filtration efficiency: 0.1μm) ··· average 99% cut
VFE ··· average 99% cut (filtration efficiency of virus splash)
※ (microfiber filter of permeability test measurements (Nelson Institute)

About us
It will carefully shipping.