Perfect compatibility: The ball bearing of the hose can be rotated and replaced, which is perfectly suitable for Polaris 180, 280, 380, 480, 3900 pool cleaner, replacement part number: D20, D-20 (Note : for Polaris 360 POOL CLEANER is not suitable). Quality improvement: the pool cleaner hose is made of high quality materials and has been rigorously tested by the manufacturer to avoid damage. leaks. To connect 2 supply pipes together, 2 pipe nuts and 1 pipe swivel joint are required. Troubleshooting: 1) Rotating wear. 2) Part of the joint is leaking. 3) The pipe becomes stiff and cannot rotate freely. Installation Tips: The arrow always points in the direction of water flow. Water flows from the wall fittings through the hoses to the Polaris pool cleaner. The end of the hose can be softened by immersing the end of the hose in a container (pot or large insulated coffee mug) containing actual hot water, making it easy to slide into the device. Easy to install: The pool cleaner hose is easy to install, it is quick to connect, saving time and money. obot De Piscine - Connector Assembly with Polaris 280, 380, 180 Pool Cleaner D20 Swivel Hose and D15 Hose Nut and Hose Swivel Fitting Specification: Name: pool cleaner hose< /p> Material: ABS Packing list: 1 * pool cleaner hose 2 * hose nuts Notes: 1.Pool cleaner hoses are not compatible with Polaris 360 pool cleaners. 2. Due to lighting effects and shooting angles, there is color difference in the product, please understand. 3.Due to manual measurement, there is a tolerance in the product size. becomeveryrich Sold by MSBD store