Material: high efficiency filter Non-woven
According to your choice of package:
10 x Mask filter cartridge
20 x Mask filter cartridge
50 x Mask filter cartridge
Can be used in combination with a mask.
Bringing you a safe breathing experience
Special filter can effectively filter haze, dust and other fine particles
Prevent second-hand smoke and automobile exhaust.
The filter cannot be cleaned. It is recommended to replace it once a day.