FEATURE:
Charcoal Filter (Total 4 layers) Filters object: vehicle and industry exhaust, dust,pollen, floating dust, virus, germ, PM2.5, H7N9 etc.
SPECIAL CARE:
If you wear it 1-3 hours a day, it is recommended to replace the filter once a month,
If you use it for less than 1 hour a day, it is recommended to replace the filter every 45 days.
PACKAGE INCLUDING:
One Mask + 2 Filters
