A mask can be hand washed with Soap and hot water, the filter can be replaced. The filter can be used for a week on average depending on the level of pollution it is used in. This is very economical. This mask can be used for a long time. As long as the filter is changed, its effect is almost equal to a brand new mask.
If you are from outside of SA, please buy this mask from our International Shop by going to this link:https://getit-4me.com/products/military-grade-reusable-filter-mask Cotton fabrics and N99 filtering material 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.