MaxFlow MWV-2000 DC Wavemaker Pump w/ Controller, 2113 GPH, Wirelessly connect 2 or more unitsAquatop's MaxFlow Series of DC Wave Makers offers a cutting edge solution for aquarium water circulation. Unlike traditional powerheads, these pumps feature a Prop Style Impeller and 360 uniform water draw, ensuring a broader, more even flow distribution. The robust magnet mounting system allows for versatile placement and a wide range of motion within the tank. Each model operates quietly and efficiently, with multiple flow modes and a wavelength