▶3-Stage Filtration High-efficiency Activated carbon Air Clean Dust
▶Replacement High-efficiency H13 HEPA Filter
▶H13 Grade HEPA Filter 99.7% of airborne particles down to 0.3 microns in size,High-Efficiency Activated Carbon, filter All sorts of smells and smoke
▶Please replace regularly to keep your machine fresh, Recommended to change filter once every 6 months, Also the filter's usage time will depend on the environment air quality around you
▶Energy saving air filters save energy due to a low-density design and requiring less pressure to push air through the filter