- Suitable for protecting the mouth, nose, and chin to airborne particles and block liquid aerosols.
- For adults use only.
- Do not wash.
- Store in a cool, dry, clean place away from fire and contamination.
- Store between -20℃ and 38℃ (-4°F and 100°F) with relative humidity below 80％.
- Expiration date: 2 years after production.
3-Step check before use
- Do not use if the packaging has been opened or damaged.
- Check if elastic bands are in good condition and are not damaged.
- 3. Check that the metallic strip is not broken.