The new Eheim streamON + streaming pumps are suitable for use in both marine and in fresh water aquariums. They are small highly efficient and energy saving. You can position them vertically or horizontally and turn them up to 180. This allows you to turn them in any direction (3D function). This more convenient version has a magnet bracket and is therefore easier to align against the glass. Also the outflow can be smoothly adjusted in small increments.Benefits of the EHEIM streaming pumps streamON+Compact streaming pumps for aquariums from 35 to 500 l.Suitable for both marine and fresh waterOptimum water circulation with a natural smooth current formationIncrease of oxygen content and creation of nature like living conditionsVital for corals in marine water; beneficial for fish in fresh waterFlexible positioning horizontal or verticalSwivelable up to 180 (3D adjustable)Fixing with magnet bracket for glass thickness 3 8 mm and 6 - 12 mm Outflow adjustable in small increments Extremely quiet and very low maintenanceHigh efficiency with low energy useUtmost safety and reliability8w running power. Approx 61w x 90h x 85d (mm).