Reduce Dust Leakage: Vacuum cleaner hoses used for a long time can develop gaps and damage, which can easily cause dust to leak. Replace hoses promptly and securely store debris to maintain a clean and tidy indoor environment. Reduce Blockages: Hoses with aging or deformed inner walls can easily tangle with debris and cause blockages. Replacing hoses keeps airflow smooth, reducing instances of vacuum interruptions and stalling. Extend Machine Lifespan: Leaking vacuum hoses increase motor load, forcing the device to operate under high stress for extended periods. Regularly replacing compatible hoses reduces wear on the machine, lowers the likelihood of malfunctions, and effectively extends the overall lifespan of the vacuum cleaner. Optimize Daily Usage Experience: Old and damaged vacuum hoses deform or crack easily when pulled. Replacing vacuum hoses in a timely manner provides flexibility, durability, and resistance to damage, greatly improving the experience of daily assembly and cleaning. Vacuum Cleaner Hose Extension ，Compatible For Karcher， WD2，Vacuum Hose, Manufacturer: GENTERUN