- Size: 12*8cm/4.7*3.14inch
- High Quality: The 5-layer filtration system is made of activated carbon and non-woven melt-blown filter cloth, which effectively avoids a series of airborne pollutants.
- Wide Applications: Filter is ideal for protecting your mouth and face from dust, haze, allergies, smoke, pollution, ashes, heavy metal particles, etc.
- Mouth cover + filter = dual filtering. Filter is replaceable and suit for most mouth cover which with filter slot. The cumulative effective use time of a single piece is 24 hours.
- 10 pc of Activated Carbon Filters