The 37 cm long Bestway Air Hammer Manual Air Pump inflates and deflates tubes, air mattresses, floats, toys and other inflatable products.< br /> Designed to provide maximum air flow, this pump has a stroke volume of 2.8 L per cycle and has a large air chamber for quick inflation. It delivers a continuous flow of air both up and down, meaning you can fill your items faster than with unidirectional pumps. Also, three universal valve adapters are included to fit almost any type of valve, allowing you to inflate a variety of objects with the same pump!
Specifications: -Size: 37 cm -Stroke volume: 2.8 L/cycle< br />-Manual pump inflates or deflates when both raising and lowering -3 different valve adapters to be able to fit most inflation valves
