PM2.5 Filters (10-Pack)
- Material - PM2.5 Activated Carbon Replaceable Filter is composed of non-woven fabric, activated carbon and advanced filter cotton.
- Five-layer Filtration technology: Multiple layered protection to isolate dust, maintain good ventilation and provide additional protection to existing mask.
- Sized for our masks: 4.7 x 3.1 inches
- For filtering out airborne particles, dust, smoke, pollution, ash, pollen, and a range of airborne contaminants.
- Recommended replacement: once a week for maximum effect.