Explore our range of Colour Marking Rings, essential accessories for STAUFF Quick Release Couplings. Designed specifically for Carbon Steel Flat-Face Push-to-Connect Couplings in the Series FC, these rings enhance the visual identification and organization of your coupling systems. Available in various colors, they allow for easy differentiation and management of multiple lines, ensuring efficient and safe operations. Perfect for industrial applications where quick identification is crucial, our Colour Marking Rings are durable, easy to install, and compatible with the entire Series FC range.