Color Marking Rings are essential accessories for STAUFF Quick Release Couplings, specifically designed for Carbon Steel Screw-to-Connect Couplings with Poppet Valve in the Series HS. These rings provide a visual identification system, enhancing safety and efficiency in fluid handling systems. By using different colors, users can easily distinguish between various lines or fluids, reducing the risk of errors during connection and disconnection processes. The Color Marking Rings are durable, easy to install, and compatible with the specific coupling series, ensuring a reliable and organized setup in industrial applications.