Wide Application: The pool cleaner hose accessories are compatible with 280 and 3900 pool cleaners, so you don't have to worry about choosing cleaning accessories that don't fit different types of pool cleaners. Expanded Content: Our swimming pool cleaning hose rotating accessories set includes 3 ball bearing rotating spare parts for D20 hose and 6 nuts for D15 supply hose, which can meet your needs for alternative use and long term. You can also share them with other people. High Quality Material: Our pool cleaning hose replacement accessories set is made of high quality plastic. Compared with ordinary plastic, it has hardness character and is not easy to break, which makes it last longer to use. It is the best option for your floor cleaners High Quality Material: Our pool cleaning hose replacement accessories set is made of high quality plastic. Compared with ordinary plastic, it has hardness character and is not easy to break, which makes it last longer to use. It is the best