Extra PM2.5 Activated Carbon Replaceable Anti Haze Filters
Filters are not washable. Filters are not required for use of face masks but they do make the mask a better protective measure.
✦ 5-layer filtration protection made of activated carbon, non-woven and melt-blown filter cloth
✦ Keeps away a range of airborne contaminants and hazards including dust, seasonal allergies, smoke, pollution, ash, gardening pollen, micron-level dust and other harmful substances
✦ Easy to use, place PM2.5 filter in the filter opening of face mask and replace every week