Feature:1. Plastic Material: The pool cleaner hose nut and hose ball bearing swivel is made of premium plastic, sturdy, with high durability and long life.2. Compatibility: The pool cleaner accessory kit is suitable for Polaris 280 3900 hose swivel and nut replacement D20 D15 for pool cleaning.3. Easy Installation: This component for Polaris requires two hose nuts and one hose swivel to connect two water supply hoses together.4. What Will You Get: The D20 D15 replacement kit comes with 2 nuts and 1 swivel, which is an affordable way to repair or maintain pool cleaners.5. Details: The size of the swivel is about 8.9x1.2x1.8cm/3.5x0.5x0.7in, the nut inner diameter is about 20mm/0.8in, practical and no leaking.Specification:Item Type: Pool Cleaner Hose Swivel Nut KitMaterial: PlasticWeight: Approx. 31g/1.1ozSwivel Size: Approx. 8.9x1.2x1.8cm/3.5x0.5x0.7inNut Inner Diameter: Approx. 20mm/0.8inPurpose: Pool cleaningSuitable: for 280 3900 hose swivel nut replacement D20 D15.Package List:2 x Nut1 x Swivel