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 and Core Mini-RF. Functions as intended when used with these units. 3-STAGE FILTER SYSTEM: The Pre-Filter, Personal HEPA Filter, and Activated Carbon Filter work together to reduce airborne particles and unwanted odors, helping to improve indoor air quality. HEPA FILTRATION: The Personal HEPA Filter meets the High Efficiency Particulate Air standard, capturing at least 97% of airborne particles as small as 0.3 micrometers, including dust, smoke, pollen, and pet dander. TRAP HOUSEHOLD ODORS: The Activated Carbon Filter helps adsorb smoke, cooking odors, pet smells, and fumes, making it ideal for pet owners and urban households. 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: Light and screen display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.