perfect compatibility: the ball bearing of the hose can be rotated and replaced Quality improvement: the hose of the pool cleaner is made of high quality materials and has been rigorously tested by the manufacturer to prevent leaks. To connect 2 supply hoses together, 2 hose nuts and 1 hose swivel joint are required. Solving problems: 1) Rotating wear. 2) Part of the gasket is leaking. 3) The hose becomes rigid and cannot rotate freely. Installation tips: The arrow always points in the direction of the 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 real hot water, allowing it to be easily slid into the water. #39;device. Easy to install: The pool cleaner hose is easy to install, quick to connect, saving time and money. Specification: Name: Cleaner Hose swimming pool Material: ABS Packing list: 1 Pool Cleaner