4pcs Activated Carbon Filters for Extractor Hood Siemens HZ9VRCR0 17004796, Bosch HEZ9VRCR0 17004805, Neff Z821VR0 17004806, Gaggenau CA282111 FG05 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 compatible models. Functionality: The activated carbon filter efficiently filters air and neutralizes cooking odors, helping maintain fresh air in the kitchen. Recommendations: The recirculating air filter is a single-use consumable item. It is recommended to replace it every 6 to 12 months depending on usage and cooking frequency. Product size: Each 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 dimensions to ensure compatibility with your appliance. Detailed product information, features, and specifications are provided in the title and description. For any questions regarding the product, please contact the seller through Amazon’s messaging system. We aim to ensure your satisfaction and are available to assist with any inquiries.