This set includes a ring and clamp designed for KF 25 flanges, accompanied by a protective net. It's essential for securely connecting and maintaining the alignment of vacuum components within a KF 40 system. The additional net serves to prevent any debris or particles from entering the system during operation or maintenance, enhancing system cleanliness and efficiency. This combination offers robust construction and reliable performance, ensuring a tight seal and longevity in demanding vacuum applications. Add to Cart