2Pack T555 Replacement Filter Compatible with Trucozie T555 air purifier,2 HEPA Filter and 4 Washable Pre-Filters

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