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RockBros KN95 Inner Mask Filter Refill with Valves

Regular price ₱80.00 PHP
Regular price Sale price ₱80.00 PHP
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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