1. The special three-dimensional design fits the face comfortably without leakage, and has been tested by SGS to reach the FFP2 level of high protection.
2. Tested by TTRI, the 0.1 micron particle filtration rate averages 99% and bacterial filtration efficiency is over 99.6%, which is much higher than general flat medical mask.
3. It has passed the ASTM F2100 test by US FDA to reach the advanced Level 2 standard for surgical masks.
4. Highly elastic, flat and painless ear straps, comfortable and stress-free for all-day wear.
5. Three-dimensional appearance and good breathing, does not affect the makeup, no odor.
