Keep your Habitat 280a(e) air purifier working at its best with this genuine HEPA 13 Activated Carbon Replacement Filter. Designed to capture 99.97% of airborne particles as small as 0.3 microns, it helps reduce dust, pollen, pet dander, and smoke in your home. The activated carbon layer also helps absorb common household odors. Easy to install and made specifically for the Habitat 280a(e) unit, this filter supports cleaner, fresher air for your living spaces.