You can get 2 pieces D20 hose ball bearing replacement parts (length: 3.6inch) and 2 pieces D15 water inlet hose nuts (hole diameter: 1.11inch, 0.79inch) The pool cleaner water inlet hose nut adopts a closed design, so you can firmly connect the hose nut to the hose swivel joint Pool cleaner hose swivel kit is made of strong and durable plastic material, has higher hardness, not easy to break, and a longer service life Pool cleaner hose replacement accessories are compatible with 280 180 380 3900 pool cleaners You need 2 hose nuts and 1 hose swivel to connect 2 supply hoses together. Replacement part: for 180, 280, , 480 Pool Swivel Swivel D20. Save money and: The quality of this replacement is excellent and easy to install, this way you can save money and time. Size: 3.6 inches long Color: white Delivery quantity: 1 set