High efficiency circulation pump specific for marine aquariums, recreates the natural movement of waves and tides. Also suitable for freshwater tanks. Anti-vibration system and cable protector. Includes 3 grids with different functions: 1 flow diffuser, for gentle and wide flow, 2 small protection for shrimp and small fish, 3 medium protection for shrimp and small to medium fish Powerful and directional flow. Patented magnetic support for glass up to 15 mm thickness. It can be connected to a timer. Complete with cable protector for the safety of fish and sea urchins. Regular cleaning of the rotor and its seat with a soft brush is recommended. Do not use solvents or detergents. The pump grids must be cleaned under running water or with a brush. Power 4,5 W. Max pump flow 7000 l/h. Recommended for freshwater tanks from 400 to 800 litres, marine water from 280 to 450 litres. Overall dimensions: external diameter 7,7 x 10,2 cm.