For aquariums from 40 to 500 litres (10.5 to 132 USgal.) Flow rate: 1,500 to 4,500 l/h (396 to 1,188 USgal./h) Energy consumption: 5 to 7 W Voltage / frequency: 230 V / 50 Hz (115 V / 60 Hz) Cable length: 2 m (8.7 in.) Dimensions: diam. 70 mm (2.75 in.) Ejection: diam. 40/15 mm (1.5 / .59 in.)