Compatible with extractor hood models from , , Neff, Gaggenau, and Constructa, such as HZ9VRCR0 17004796, HEZ9VRCR0 17004805, Neff Z821VR0 17004806, Gaggenau CA282111, and Constructa CZ9VRCR0 17006669. Refer to the image for compatible models. Functionality: The activated carbon filter efficiently filters air and neutralizes cooking odors to maintain fresh kitchen air. Recommendations: The recirculating air filter is a single-use consumable. It is recommended to replace it every 6 to 12 months, depending on usage frequency. Product size: The activated carbon filter measures 193 x 75 x 35 mm and is easy to install. Box contents: 4 replacement filters. When purchasing, please verify the size and specifications to ensure compatibility with your appliance. Detailed product information, including features and specifications, is provided in the title and description. We aim for complete customer satisfaction. If you have any questions, please for assistance.