4pcs Activated Carbon Filters for Extractor Hood Siemens HZ9VRCR0 17004796, Bosch HEZ9VRCR0 17004805, Neff Z821VR0 17004806, Gaggenau CA282111 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, neutralizes cooking odors, and helps 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 habits. Product size: Each active carbon filter measures 193 x 75 x 35 mm and is easy to install. Package includes: 4 replacement filters. When purchasing, please verify the size and dimensions to ensure compatibility with your appliance. Detailed product information, features, and specifications are provided in the title and description. We aim for complete customer satisfaction. For any questions regarding the product, please contact the seller through Amazon messages for assistance.