Enhance the functionality and safety of your Series FF/FH Carbon Steel Flat-Face Push-to-Connect Couplings with our Color Marking Rings. Designed specifically for STAUFF Quick Release Couplings, these rings provide a visual identification system that simplifies the management and maintenance of your fluid systems. Available in various colors, the Color Marking Rings (Series FF/FH) allow for easy differentiation and organization of your couplings, ensuring efficient operation and reducing the risk of errors in high-pressure applications.