Compatible with extractor hood models from Bosch, Siemens, Neff, Gaggenau, and Constructa, including Siemens HZ9VRCR0 17004796, Bosch HEZ9VRCR0 17004805, Neff Z821VR0 17004806, Gaggenau CA282111, and Constructa CZ9VRCR0 17006669. Refer to the image for additional compatible models. The activated carbon filter effectively purifies air by capturing cooking odors and impurities, helping maintain a fresh kitchen environment. This recirculating air activated carbon filter is a consumable item intended for periodic replacement. It is recommended to replace the filter every 6 to 12 months depending on usage frequency and cooking habits. Each active carbon filter measures 193 x 75 x 35 mm and is designed for easy installation. Box includes 4 replacement filters. When purchasing, please verify the dimensions and specifications to ensure compatibility with your appliance. Detailed product information, including features and compatibility, is provided in the title and description. We aim for complete customer satisfaction. If you have any questions about the product, feel free to for assistance.