and high quality. Made of high-quality material, and practical to use. Delicate and exquisite, matches the equipment well. Has higher heat resistance and extensibility, and is easier to install. Solid and , long service life. Without this sealing ring, the nozzle of the steam cleaner can cause the phenomenon of backward-flowing steam during use, which is likely to cause . So when you find that the sealing ring is aging and damaged, please replace it in time. Replacement O-ring set for replacing O-rings for various steam cleaning accessories. Includes safety lock, detail nozzle, extension, steam hose and iron connection. Useful spare part set for uninterrupted use. Heavy-duty O-rings for high-pressure washers and steam cleaners. Fits behind the nozzle. on and the hose (which screws onto 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: 1 set x O-ring high-pressure washer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ a little from the real thing. The allowed measurement error is +/- 1-3 cm.