features:
1.100% brand new quality.
2. Advantages: ventilation, dust removal, filtering bacteria, antivirus
3. Color: Blue
4. Specifications: 17.3x 9.5cm
5. Type: disposable mask
Notes:
Please read and understand this instruction manual before use and understand the applicable scope,
wearing method and use the method of the product;
When wearing the protective mask every time, check the air tightness according to the instructions to
ensure the correct wearing;
When the protective mask is damaged, dirty or the respiratory resistance is too large, the mask shall
be replaced in time;
The protective mask shall not be washed with water, and not be modified by itself;
When not in use, keep the protective mask in a clean environment
