CAREFULLY CHECK YOUR MODEL NUMBER to ensure this is the correct filter for your air purifier. This filter is compatible with Core Mini and Core Mini-RF air purifier models and performs as effectively as the original unit filter.Cost-Effective Value Pack: Designed to meet your year-round air cleaning needs. Offers high-level filtration performance for extended use. It is recommended to replace the filters every 6 to 12 months. Using an old or worn 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 capture airborne particles and reduce household odors, helping improve indoor air quality.HEPA Filtration: The Personal HEPA Filter is designed with HEPA Smart Technology and meets High Efficiency Particulate Air standards, capturing at least 97% of airborne particles as small as 0.3 micrometers, including dust, smoke, pollen, and pet dander.Odor Reduction: 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: The package includes only the items listed above. Other products are not included. Lighting and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.