BioCompact aquarium internal filters are great small filters that are effective in the smallest places, ideal for nano aquariums. The BioCompact 50 is an economical and extremely quiet and energy-efficient pump. The flow rate can be adjusted individually on the water diffuser and a large filter surface is effective for water filtration. The BioCompact 50 includes active charcoal and the chamber can be filled as desired. BioCompact 50 ensures effective water filtration. The filter can be installed horizontally or vertically so will fit in many small places. Suitable for aquariums: up to 50 Litres Dimensions: 12 x 4.3 x 4.7cm Max Flow Rate: 120-240 Litres per hour Max Head Height: 0.4 metres Filter volume: 0.18 Litres Power Cable Length: 1.5 metres Power Consumption: 5 Watts Guarantee: 3 years Suitable for freshwater and saltwater aquariums.