CAREFULLY CHECK YOUR MODEL NUMBER to ensure this is the correct filter for your air purifier. This filter is compatible with air purifier models Core Mini, Core Mini-RF. Functions as intended when used with these units. Cost-Effective Value Pack: Designed to meet year-round air cleaning needs. Offers high-level filtration performance for extended use. It is recommended to replace the filters every 6-12 months. Using an old filter may reduce the air purifier's efficiency. 3-STAGE FILTER SYSTEM: Includes a Pre-Filter, Personal HEPA Filter, and Activated Carbon Filter that work together to reduce airborne particles and unwanted odors, improving overall air quality. HEPA FILTRATION: The Personal HEPA Filter is treated with HEPA Smart Technology and meets the High Efficiency Particulate Air standard, capturing at least 97% of airborne particles 0.3 micrometers in size, including fine dust, smoke, pollen, and pet dander. ODOR REDUCTION: The Activated Carbon Filter effectively adsorbs smoke, cooking odors, pet smells, and fumes, making it ideal for pet owners, households with smokers, and urban environments. No cutting required. Replace your old filter easily without additional tools for convenient maintenance. Color: White Material: Composite material Package Contents: 2 x Air Purifier Filters Note: Only the items listed above are included. Light and display settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.