VFE (Viral Filtration Efficiency) 99%
. PFE (Particle Filtration Efficiency) 99%
. BFE (Bacterial Filtration Efficiency) 99%
. Suitable for high protection range:
. hospital. clinic. public transport. Where the crowd gathers
. It is also suitable for chronic patients and people with low resistance to enter and exit public places and is the first choice for medical staff
. Use high-efficiency filter paper to effectively prevent 99% droplets from spreading
. Strong barrier smog. PM2.5. virus. bacterial
. Size: about 17.5 cm x 9.5 cm