Custom designed for Bora Basic cooktops: This box contains two precision-made replacement filters designed specifically for Bora Basic cooktops with recirculation systems. Measuring 425 x 130 x 50 mm, these filters are the perfect match for Bora Pure or Bora Pure X cooktops with PURU or PUXU type recirculation systems. The custom design ensures optimal performance and seamless integration with your existing kitchen setup.High-quality activated carbon: Our replacement filters use high-quality activated carbon as the filter media, which is renowned for its excellent air purification performance. The open-pore structure of the activated carbon effectively absorbs cooking odors, ensuring your kitchen remains fresh and odor-free without the need for special fish repellent coatings.Highly efficient air purification: These filters are designed to effectively neutralize cooking odors, contributing to a healthier and more comfortable kitchen environment. The porous nature of activated carbon enables it to capture and eliminate a wide range of odors, making it an essential component in maintaining air quality in your home.Easy installation process: The installation of our activated carbon filters is very simple and does not require any complicated disassembly. Open the convection inlet of your cooker hood, roll the filter into a circle, and insert it into the inlet. When finished, reinstall the range hood cover. The whole process is manual and can be completed without any tools, making it hassle-free for you.