- Durable construction and material for long term use in demanding pool cleaning conditions. The ball-bearing swivel D20 is built to withstand constant operation. - Compatibility: Specifically designed to replace the ball-bearing swivel joint D20 in pool cleaners models 180, 280, 380, 480, 3900 Sport, 280 F5B, and TR35P. It provides a precise fit and seamless compatibility with these models. - Easy installation: The D20 ball-bearing swivel joint requires 2 hose nuts and 1 hose barb to connect two supply hoses, enabling straightforward installation and secure, efficient hose connections. - Improved performance: Designed to optimize your pool cleaner’s performance. Its smooth rotation enables seamless movement and efficient cleaning, helping keep your pool water clear. - Use scenarios: - Replace a worn swivel on TR35P to restore normal hose rotation. - Install on 3900 Sport to reduce hose tangling and improve cleaning coverage. - Upgrade 180, 280, 380, or 480 models during maintenance to extend service life and maintain reliable operation.