Designed to add 20 feet of highly flexible hose length to the hose on your canister or upright Equipped with a unique compression adaptor that will grab on to the curved end on your can¬ister or upright vacuum hose and add the necessary hose length to clean a complete flight of stairs with the vacuum resting safely on the ground If you own a Hoover vacuum with the unique pin system simply take the compression fitting off and thread on the Hoover adaptor The flexibility to adapt to your vacuum by simply adjusting the ends allows the extension hose to work with most popular brands of canisters and upright vacuums including Hoover, Eureka, Sebo, Bissell, Miele, Royal, Oreck, Sharp, Riccar, Simplicity, Kirby, and Kenmore Compatible with brands featuring diameters of 1.125, 1.25, 1.375, and 1.5