The filter element of this mask has 5 layers of protection, bringing you a safe breathing experience
- Special 5-layer activated carbon filter can effectively filter PM2.5 haze, dust and other fine particles
- Prevent second-hand smoke and automobile exhaust. The filter cannot be cleaned. It is recommended to replace it once a week
- Anti haze and dust-proof square arc active carbon filter active carbon PM2.5 mask filter
- Adult size
- 10 * filter / 20* filter/ 50*filter/ 100*filter
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