Turbelle® nanostream® 6025 For aquariums from 40 to 200 litres (11 to 53 USgal.) Flow rate: 2,500 l/h (660 US gal./h) Energy consumption: 6W Voltage / frequency: 230V/50Hz (115V/60Hz) Cable length: 2 m (78.7 in.) Dimensions: diam. 70 mm (2.7 in.),outlet: diam. 40/15 mm (1.5 / .59 in.)