Experience ultimate performance and reliability with the Bestway Air Mattress Pump Air Hammer 0.5 bar. This sturdy air pump is designed to effortlessly and quickly inflate your inflatable items. With a generous displacement of 3.5 liters and a large air chamber, this pump is ideal for fast filling., , Product Information, , Displacement 3.5 liters, Large air chamber for quick filling, Also suitable for deflating, Three adapters for different valves, Sturdy construction, TÜV certified