Ubbink Cascademax 9000 Pond Pump. This is Cascademax! They transport a large volume of water under high pressure and can easily handle significant differences in elevation. The capacities range from 6,600 to 15,800 liters per hour, meeting the demands of busy waterfalls and streams in your own garden. The pumps are equipped with an economical, sufficiently powerful, and extremely reliable motor featuring adaptive frequency technology and a ceramic shaft. The energy consumption of the Cascademax pumps is much lower than that of comparable pond pumps using conventional asynchronous technology.