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.