Designed to connect two 2-1/2-inch hoses together, the Shop Vac 2-1/2-inch hose coupling extends the reach of your Shop-Vac. For wet or dry use, this coupling is ideal for messy corners, dusty top shelves, even those cobwebs up high. Along with this handy accessory, the Shop-Vac offers the most complete line of vacuum cleaners available for industrial and commercial applications, plus a wide range of accessories that are specifically designed to meet the heavy-duty cleaning needs of the sanitary maintenance professional.