1, durable air pump. 2, foldable to fit the kayak deck or the pedestal. 3, 3 adapters are suitable for most valves. 4.49" long tube. 5, the amount of exhaust: 0.5l per stroke. Description: AIRHEAD High Volume Bellows Foot Pump - Use your feet to pump the AIRHEAD high volume bellows pump into a tugboat, boat and other inflatable equipment to inflate or deflate. With a 54-inch hose and 3 adapters, this durable air pump is suitable for most valves with an air displacement of 0.3L per stroke. Since the pump reaches a maximum pressure of 2 psi, you can make the inflatable boat and the towable hull secure and foldable to fit on the kayak deck or under the hull Product details: product List: