Specifically designed for NV350, NV351, NV352, and UV440, this vacuum hose ensures seamless integration with your cleaning systems for optimal The replacement hose has the functions of expansion and compression, making it a perfect substitute for the previous accessories, making cleaning work easier and more efficient Easy Installation: Simply attach the replacement hose to your Vacuum Cleaners for quick restoration of suction power and control Regular inspection and replacement of old hoses and handles will effectively maintain the suction and control capabilities of your Vacuum Cleaners, extend the service life of the machine, and ensures optimal cleaning results The handheld hose design is flexible, making it easy to clean difficult to reach corners and gaps, and improving cleaning efficiency