Main Material: Non-Woven, Polypropylene Melt-Blown
Operative Norm: Q/0171BKKY002-2020
Wearing Method: Ear Hook
Ear Rope: Can be adjusted to the appropriate position according to face size.
Period of Use: 3 Years
Protection Range: Suitable for filtering particulate pollution such as pollen and pollen in the air under daily environment PM2.5 isolate bacteria and viruses.
(Box of 20)