




Mask * 1 box
1. Non-woven fabric protective layer
2. Composite activated carbon layer for high gas adsorption
3. Dual-layer melt-blown fabric for blocking microparticles

Overear independent blue (50 pieces/box)
CN¥17.20
![Minggu Dustproof Mask Industrial Dust Renovation Breathable Activated Carbon Mask Foldable Ear-Worn KN95 Non-Woven Fabric with Breathing Valve [Individually Packaged] 30pcs/Box CW523883](https://img30.360buyimg.com/sku/jfs/t1/211236/5/7945/142011/61838407E419f18fb/b00f7a689c52f378.jpg)
[Jingcang Express] KN95 Gray Model 30 Pieces/Box
CN¥28.91
4. PP cotton filter layer for blocking fine particles
5. Skin-friendly non-woven fabric inner layer
| Item | Detail |
|---|---|
| >300 | Severe pollution, recommended to replace immediately |
| 201-300 | Heavy pollution, recommended to replace after 4 hours |
| 151-200 | Moderate pollution, recommended to replace after 8 hours |
| 101-150 | Light pollution, recommended to replace after 12 hours |
| 0-100 | Good air quality, recommended to replace after 24 hours |
The above information is based on the provided content and is for reference purposes only.

8200 silicone dust mask with 1 original filter pad
CN¥22.00

KN90 Original Dust Filter Cotton, 30 Pieces
CN¥19.90