High-grade packaging box, which has a military grade N99 mask and 5 filters. The masks and filters are individually sealed
Lab tested British military filtration technology filters almost 100% of pollution, gases, odors, dust, pollen, smog, PM2. 5, Germs, bacteria and viruses
Masks are washable, and the filter can be replaced. Masks have a great filtering effect because they have 4 layers of filter. The first layer is skin friendly cotton, the second layer is silica gel layer, the third layer is pure cotton lining, the fourth layer is a filter with three layers of filter
Breathing valve: exhale, automatically open the valve, Gas masks discharged smoothly. Inhale, the valve automatically closes to prevent the harmful Gas into the mask. It helps to breathe smoothly, glasses Do not fog up
Adjustable nose bridge: according to each person's nasal type to adjust, make mask and nose better fit, increase mask sealing effect, avoid breathing caused by the fog of glasses