[Compatibility] True HEPA replacement filters are compatible with LEVOIT Core Mini Air Purifier for Living Room, Bedroom, Desktop, Office. [3-Stage Filtration SYSTEM] 3-in-1 True HEPA Filtration System including Fine Pre-Filter, H13 True Filter HEPA and activated carbon filter, 3-in-1 high efficiency filter can reduce airborne particles and unwanted odors in living spaces.[H13 TRUE HEPA FILTER]Premium H13 grade true HEPA filter captures 99.97% of airborne particles up to just 0.3 micrometers, removing dust, pollen, smoke, odors and pet hair, effectively creating fresh and purified air for you and your family. [Activated Carbon Filter] Our filter adopts high efficiency activated carbon. Effectively adsorbs various unwanted household odors from pets, cooking, smoke and VOCs. Perfect for pet owners, smokers and city dwellers. [Easy Installation] The filter can be easily replaced and removed without tools. Regular cleaning and replacement can improve the performance of your air purifier. For performance, it is recommended to replace the HEPA filter every 4-6 months depending on the environment and frequency of use. Color: as shown Material: plastic Package contents: 2 x filter elements Only the above package content, other products are not included. Note: light shooting and Different displays may cause the color of the item in the photo to be a little different from the real thing. The measurement error is +/- 1-3cm.