PM2.5 five-layer structure filter element | 10 pieces/pack

10 pieces/pack
Size: 12cmL x 8cmW
It can effectively block fine suspended particles in the air with a diameter of 2.5 microns or more, and protect against air pollution, dust particles, sandstorms, etc.

5-layer structure:
The first layer - anti-sticking non-woven fabric
The second layer - high-efficiency filter cloth
The third layer - activated carbon cloth
The fourth layer - high-efficiency filter cloth
The fifth layer - anti-stick non-woven fabric

Precautions:
1. Not washable, it is recommended to replace it every day
2. Please place it carefully when replacing it, and do not touch the surface of the mask with your hands.
3. The outer layer of the mask must not come into contact with the inner chip.