Perfect Compatibility: The hose ball bearing can be rotated and replaced, which is perfect for Polaris Pool Cleaner 180, 280, 380, 480, 3900, Replacement Part Number: D20, D-20 Note: For Polaris 360 Pool Cleaner, it is not suitable. Quality Improvement: The pool cleaner hose is made of high-quality materials and has been thoroughly tested by the manufacturer to prevent leakage. To connect 2 supply hoses, 2 hose nuts and 1 hose elbow are required. Solves problems: 1 Rotating wear. 2 Part of the joint leaks. 3 The hose 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 Specification: Name: Pool Cleaner Hose 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 the lighting effects and shooting angles, there are color differences in the product, please understand. 3.Due to manual measurement, there is a tolerance in the product size.pient pot or a large insulated coffee mug containing actually hot water, making it easy to slide into the unit. Easy to install: The pool cleaner hose is easy to install and quick to connect, saving time and costs.