RockBros KN95 Inner Mask Filter Refill with Valves
KN95 HEPA activated carbon filter for the black (LF020BK) or purple (LF03901) RockBros masks with valves.
- Filters PM 2.5 pollution as well as vapors, pollen, dust, smoke, and motor vehicles spewing smog in your face as you bike.
- Recommended to replace the filter every 30 days (sooner if heavily used or dirt is overwhelmingly visible).
- Recommended usage time: 25-40 hours.
- Material: Activated Carbon
- Model #: KZ1001
- One mask filter per order
*We've been using these masks for pollution protection on our rides since before the pandemic