100% brand new and high quality. Made of high quality material, and practical to use. Delicate and exquisite, perfectly matched with the original equipment. Has higher heat resistance and extensibility, and is easier to install. Solid and , long service life. Without this sealing ring, the steam cleaner nozzle will cause the phenomenon of reverse vaporization during use, which is likely to cause burns. So, when you find that the sealing ring is aging and damaged, please replace it in time. of replacement O-rings for replacing O-rings for various steam cleaner accessories. Includes a safety lock, a detail nozzle, an extension wand, a steam hose and an iron connector. Useful spare parts for uninterrupted use. Heavy duty O-rings for cleaners and steam cleaners. Fits behind the nozzle and hose (which goes on the machine) on all HD and HDS machines. Also fits K2 K3 K4 K5 K6 K7 Number: 2.640-729.0 Color: as shown Material: plastic Package Contents: 5 x Sealing Ring (100 pieces) Only the