It is the Nasal Filter (micro type & ultra micro type) for protecting people from dust, pollen, air pollution, allergan and drug-powder, etc.
Nasal filters block hazardous substances such as airborne dust and pollen improving the quality of air that you breathe.
Nasal Filter is extremely effective in filtering out even minute substances without causing any barriers to normal breath.

[ Advantages of EkoMask ] 

1. High-efficiency filter with triple layers

2. Filtration of Yellow-dust, Pollen, Mote, Exhaust, etc

3. Comfortable breathing

4. Easy to use & Unnoticeable externally

5. Feel comfortable to wear and breathe

6. No frost with glasses

7. Reusable after cleaning the filter with running water

8. No change in shape after cleaning the filter