AquaKing Professional Pumps The AquaKing Professional Pumps is a heavy duty pump that can move up to a remarkable 7000 litres of water per hour using an outlet adapter that can be connected to a variety of irrigation pipe sizes. An adapter can be placed on the output point that will reduce the outlet diameter to 30mm, you can also fit a graduated adapter that when screwed together gives a range of sizes ranging from 13mm to 25mm.(sold separately). Aquaking are quality powerful irrigation pumps that not only move huge volumes of liquid, but they are also pumps that you can rely upon. Moving from up to 7000lph they will empty a 350ltr water tank in less than 4 minutes!