[COMPATIBILITY]True HEPA replacement filters are compatible for 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 HEPA Filter, and Activated Carbon Filter, 3-in-1 high-efficiency filter can reduce airborne particles and unwanted odors in your living spaces. [H13 TRUE HEPA FILTER]Premium H13 grade true HEPA Filter captures 99.97% of airborne particles as small as 0.3 Micrometres in size, removing dust, pollen, smoke, odors and pet dander, effectively creating fresh and purified air and your family. [ACTIVATED CARBON FILTER]Our filter adopts high efficiency activated carbon. It efficiently adsorbs unwanted household odors from pets, cooking, smoke, and VOCs. perfect for pet owners, smokers and city dwellers. [EASY TO INSTALL]The Filter is easy to be replaced and disposed without any tools. Regularly clean and replace 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 usage frequency.<br><br>size: 147 x 123mm Material: Plastic colour: White<br><br>Package Contents: 4 x Filters<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.