Muryobao Military Grade N99 Mask Washable Cotton Mouth Masks With Valve Replaceable Filter (One Mask + 5 filters)
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<b>[Product Information]</b><br>
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<li>Cotton fabrics and N99 filtering material</li>
<li>Imported</li>
<li>High-grade packaging box, which has a military grade N99 mask and 5 filters. The masks and filters are individually sealed</li>
<li>Lab tested British military filtration technology filters almost 100% of pollution, gases, odors, dust, pollen, smog, PM2.5, germs, bacteria and viruses</li>
<li>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</li>
<li>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</li>
<li>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</li>
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