The Champion Sports High Volume Double Air Pump is ideal for inflating large items such as cage balls and therapy balls. Its double action design allows you to inflate on both up and down strokes, making the process twice as fast. The large hose provides comfortable pumping from any angle, while the included valve adapter ensures a secure connection with virtually any exercise ball. The pump can also be used as a deflator, making it convenient for storing inflated balls. With its versatility, efficiency, and ability to handle large items, this pump is a great choice for anyone who needs to quickly and easily inflate their exercise equipment.