Koralia G3 by Hydor is the high energy efficiency circulation pump specific for marine aquariums but also suitable for freshwater tanks. Powerful and silent as it is equipped with an anti-vibration system, it guarantees excellent performance with low energy consumption: 1 watt for 1450 l/h. Equipped with a cable protector, it includes 3 different grids that allow you to adapt the flow according to your needs and also ensure protection for the fish: a flow diffuser, a protection for small fish and shrimp, a protection for small to medium fish. The pump also features a patented magnetic fixing system for applications on glass up to 15 mm thickness and free positioning inside the tank.Koralia G3 is available in various models with different capacity and power, it can be connected to a timer.Cleaning tips: remove dirt and limestone from the rotor and its seat with a soft brush, do not use detergents or solvents. Clean the pump grids with running water or with a brush.