360 degrees rotating deflector for aquariums, applicable to the outlet of pumps or filters thanks to the included adapters. It does not require electricity. Moves the water by increasing oxygenation, helps prevent the formation of limestone, creates a wave effect useful for plants and invertebrates. Compatible with Hydor's Pico Evomag submersible circulation pump suitable for aquariums and aquaterrariums. Regular cleaning of the deflector with lukewarm running water is recommended to remove limescale. If necessary, use a soft toothbrush. Do not use solvents or detergents. Overall dimensions: external diameter 4 x 5.5 cm. Pump flow: 300 - 1200 l / h.