General description Swivel fitting ball bearing swivel designed for use with Polaris pool cleaner robots. This new model features a high-quality, waterproof construction that prevents kinks in the pool robot hose, ensuring smooth operation. Technical specifications Dimensions: 9×1.5×1.5 cm Type: D20 swivel fitting Compatibility and accessories Compatible with Polaris models: 180, 280, 380, 480, 3900