For extra protection, these packs of PM2.5 5-layered activated carbon filter are designed to fit perfectly in our masks and effectively block airborne contaminants and impurities. It is recommended to replace every 3 days or so, depending on use.
Features:
- Pack of 5 filters
- Filter Size: 125mm x 80mm
- Great for outdoor activities as the filter is light and breathable
- Provides extra protection beyond the reusable cotton mask
Filter Function:
- First layer: Spunbond cloth that filters dust microns
- Second layer: Melt blown cloth that filters industrial pollutants, automobile exhaust, and second-hand smoke
- Third layer: Activated carbon cloth that filters benzene and more dust microns
- Fourth layer: Melt blown cloth that filters further harmful substnaces
- Fifth layer: Spunbond cloth that filters remaining particles
