- Multilayer filtration?The pm2.5 face shield filter is composed of Non-stick Non- Woven Fabric + Meltbown Filter Cloth +Activated Carbon Cloth
- Application: It is recommended to replace the filter after a maximum of one week to achieve the best results to stay healthy.
- Wide applications: Activated Carbon Filter anti airborne particles dust, smoke, pollution, ash, gardening pollen and so on, suitable for most occasions.
- Filters size: 4 x 3 inches.