Compatible with: Cooker hood filter for Bosch, Siemens, Neff, Gaggenau and Construct, e.g. Siemens HZ9VRCR0 17004796, Bosch HEZ9VRCR0 17004805, Neff Z821VR0 17004806, Gaggenau CA282111 and Constructa CZ9VRCR0 17006669. See the picture for suitable models. Functionality: The activated carbon filter can filter the air very effectively, neutralize the odors caused by cooking, and thus ensure fresh air in the kitchen. Recommendations: Circulation air filters are disposable items; we recommend replacing them every 6-12 months depending on your cooking habits. Product size: The size of the activated carbon filter is 193 x 75 x 35 mm and is easy to install. Package contents: 4 replacement filters. When shopping, please pay attention to the product's size and dimensions to ensure that it meets your needs. In the title and description, we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please do not hesitate to contact us. We are here to help and will do our best to assist you.