Compatible with extractor hood models for Bosch, Siemens, Neff, Gaggenau, and Constructa, such as Siemens HZ9VRCR0 17004796, Bosch HEZ9VRCR0 17004805, Neff Z821VR0 17004806, Gaggenau CA282111, and Constructa CZ9VRCR0 17006669. Refer to the image for compatible models. Functionality: The activated carbon filter efficiently purifies the air by capturing odors and impurities, helping to maintain fresh air in the kitchen. Recommendations: The recirculating air filter is a consumable item designed for periodic replacement. It is recommended to replace the filter every 6 to 12 months based on usage frequency. Product size: Each active carbon filter measures 193 x 75 x 35 mm and is simple to install. Box contents: 4 replacement filters. When selecting this product, please verify the dimensions to ensure compatibility with your appliance. Detailed product information, including features and specifications, is provided in the title and description. Customer satisfaction is our priority. If you have any questions or need assistance, feel free to reach out for support.