The Aqua Medic EcoDrift 20.3 is a high-performance current pump with adjustable wave simulation for saltwater aquaria incl. Wave-controller. The Aqua Medic EcoDrift 20.3 is a magnetically coupled current pump and very quiet in operation. It has a fully encapsulated synchronous motor. All materials are salt-water resistant. The pump is operated at 24 V DC safety voltage, with the power supply included. It is controlled via smartphone or tablet and Aqua Medic App or manually with the controller (included), which allows for running a variety of different programs. The custom developed magnet holder features a vibration dampening design for extremely quiet operation. The pump is designed for under water operation, only. An extension cable (1.80 m) between controller and pump is optionally available.Aqua Medic EcoDrift 20.3+ Ultra silent by optimized control electronics+ 24 V low voltage, incl. safety isolating transformer 100 - 240 V/50 - 60 Hz+ vibration-reducing magnetic holder, 180swi