CM 9527 Disposable Face Masks, Three-Layer Individually Wrapped, Anti-Droplet, with Meltblown Lining, Comfortable Ear-Loop Style F-Y1 (50 Pieces Per Box)

1. Do not use in environments with temperatures exceeding 50°C or oxygen levels below 19.5%.

2. Not suitable for use in toxic environments (cannot replace gas masks).

3. Avoid use during sleep or extreme fatigue.

4. For non-oily particle respiratory protection only.

5. Hair under the sealing frame may cause mask leakage.

6. Not suitable for infants, individuals with breathing difficulties, or those with compromised cardiopulmonary function.

7. Recommended maximum usage time of 4 hours for better protection.