Baoweikang 1890V Head-Mounted Activated Carbon Mask KN95 with Breathing Valve, Dust-Proof Anti-Smog Construction Formaldehyde Odor PM2.5 Breathable Protective Mask (1 Box of 30 Pieces)

1. Avoid touching the inner side of the mask with hands

2. Perform a fit check after wearing the mask to ensure correct positioning

3. Wash hands before wearing the mask

4. Replace the mask if breathing resistance increases significantly or if it becomes dirty or damaged

5. Do not wash the mask with water as it may damage the filter structure

6. Store unused masks in a clean environment to avoid damage or contamination

7. Do not use a microwave oven for disinfecting the mask

Product packaging may vary between old and new designs. Specific product specifications are subject to change for product upgrades.