Our Urban Air Mask 2.0 is tested and complies with the following standards.
- GB 2626-2019 KN95
- Grade B for GB/T 32610-2016
The Urban Air Filter 2.0 is also tested at RISE (Research Institutes of Sweden) for Particle Filtration Efficiency and at Nelson Labs for Bacterial and Viral Filtration Efficiency.
To check out our tests, please see attached files.