[COMPATIBILITY] True HEPA replacement filters are compatible with Core mini air purifier for , bedroom, office, study. [3-STAGE FILTRATION SYSTEM] 3-in-1 True HEPA filtration system, including fine pre-filter, H13 True HEPA filter and activated carbon filter, the 3-in-1 high-efficiency filter can reduce unwanted airborne particles and odors in your living spaces. [H13 True HEPA Filter] H13 grade True HEPA filter captures 99.97% of airborne particles as small as 0.3 micrometers, removing dust, pollen, smoke, odors and pet dander, effectively creating fresh and purified air for you and your family. [ACTIVATED CARBON FILTER] filter adopts high-efficiency activated carbon. It effectively absorbs various unwanted household odors from pets, cooking, smoke and . Perfect for pet owners, smokers and city dwellers. [EASY TO INSTALL] The filter is easy to replace and remove without any tools. Regular cleaning and replacement can improve the performance of your air purifier. For best performance,