1. Disposable, single-use, breathable, light and environment-friendly;

2. High elasticity ear loop / head strap help fit different users and dual point attachment helps provide a secure seal;

3. Soft nose cushion for easy and comfortable fit;

4. Adjustable nose piece for extra comfort;

5. At least 95% filtration efficiency against certain non-oil based particles.

6. Activated carbon layers helps reduce organic odor and smell.