- Material - The material is composed of non-woven fabric, activated carbon.
- Five-layer Filtration: Multiple protection to isolate dust, multi-layer folding, good ventilation, double your protection with an additional filter.
- Reasonable filter Size: 12x 8 cm/ 4.7 x 3.1 inches.
- Wide applications: Activated Carbon Filter anti airborne particles dust, smoke, pollution, ash, gardening pollen and so on, suitable for most occasions.