This High-Output Air Pump gives a high volume double action output for air beds and other large inflatable items. The double action pumps on both the up and down strokes making inflation twice as quick. Comes with four different nozzle sizes to fit most valves and can also be used for deflation if necessary. Also includes a needle for inflating sports balls up to 8 psi. An extremely effective product that cuts down on time and effort when inflating large items. Ideal for use with our large inflatable toys.