Active Carbon Filters Authentic Replacement Parts (8 Filters + 8 vent valves)
1. Universal replacement for all adults
sized mouth mask inside with filter slot, recommend to replace the
filters 1-2 times week for the best health of the mask.
2. Suitable for outdoor activities such as
running, cycling, hiking, skiing, etc. It can also be used for anti-fog
day and dust-proof. 10x Filters.
3. Replaceable active carbon filters
isolate up to 99-percent of dust, pollen, hazardous chemicals, fumes,
heavy metal particles etc.
4. Must-have essentials to fresh the air of your breathing
Package:8 PCS Filter+8 PCS Breathing valves