Kotobuki Amphibious Core Power 330 This is an amphibious pump that won't take up much space. Included Items Everything in the photos. It can be used in various ways, such as for overflow aquariums, aqua-terrariums, as a power head to generate water flow, or for display effects like waterfalls. Also, you can choose from two pipe diameters for connection. (They are the same standard as commercially available PVC pipes, VP13 and VP16.) Features ● Amphibious pump, suitable for both saltwater and freshwater. ● Can be used vertically or horizontally. ● Uses a highly corrosion-resistant ceramic shaft. ● Low vibration and quiet operation. Please purchase only if you understand that this is a used item.