The Tetra IN 400 plus is a useful internal filter for all aquaria up to 60 litres content. The TetraTec IN 400 plus provides efficient mechanical and biological filtration to ensure crystal clear and pollutant free aquarium water. The filters state of the art features, which combine efficiency and ease of use, include:-removable filter cartridge for easy cleaning-adjustable air supply for optimal oxygene levels-adjustable flow rates 200 - 400 l/h-variable outflow direction-exceptional quality and reliability-power consumption 230 V/50 Hz, 7 W-for aquaria: 30 up to 60l-2 years warranty- dimensions: 5.5 x 8.2 x 18.5 cm (width x depth x height)