The Fur-eel Pet Hair Brush attaches to any standard size vacuum hose with a diameter of 1.5 inches. If you've ever vacuumed a vehicle where pets have resided, you're well aware of the furry mess left behind by man's best friend. The unique rubber design with grooves acts as a magnet for pet hair as you vacuum, saving you a considerable amount of time and effort. Using the Fur-eel Pet Hair Brush is simple: attach it to your vacuum (1.5 inch diameter or any Mr Nozzle Crevice Tool), and simply vacuum left to right, or right to left. The trick is to move slowly while applying light to medium pressure on the tool.