▶Funtion : Block harmful substances entering the respiratory tract and prevent users from discharging droplets (selectively used)

▶How to use : 

- Wear earring straps (With outer mask combination)

- Disassemble and wash the mask after daily use (Filter wash : 1 to 2 times a month)

▶Weight : About 45g of standard type, about 10g of outer mask 

▶Meterial : Silicon, PC, nonoven fabric, etc

▶Size : 100 × 100 × 50 (mm)

▶Advantages :

- Large-capacity eartridge filter : Easy breathing from rest to exercise 

- Non-eletrical nano fiber filter : Maintains filtration efficiency even in moisture, can be washed and sterilized

- Rapid exhalation and minimal residual exhalation structure : reducing carbon dioxide in inhalation

- Mask tructure that covers the nose and mouth : Reduce the area of wear to greatly reduce the hot heat

- Wearing layers of outer mask : make the gas mask look the same as the existing mask