This aquarium filter performs three functions at the same time: water filtration, water circulation and aeration. Waterfall water flowing design, high efficiency filtration. Perfect to help improve water quality so as to keep your aquarium in optimum condition. Specifications: Material: ABS Type: 6 Types (Optional) Voltage: 220V-240V Power: 2.5W(Type 1/2); 3W(Type 3); 3.5W(Type 4); 4.2W(Type 5); 4.8W(Type 6) Flow Rate: 160L/H(Type 1/2); 180L/H(Type 3); 200L/H(Type 4); 260L/H(Type 5); 290L/H(Type 6) Item Size: * Type 1: 187 * 88 * 80mm / 7.36 * 3.46 * 3.15in * Type 2: 220 * 88 * 80mm / 8.66 * 3.46 * 3.15in * Type 3: 380 * 140 * 50mm / 14.96 * 5.51 * 1.97in * Type 4: 380 * 180 * 50mm / 14.96 * 7.09 * 1.97in * Type 5: 460 * 235 * 50mm / 18.11 * 9.25 * * 1.97in * Type 6: 540 * 293 * 50mm / 21.26 * 11.54 * 1.97in Package Size: * Type 1: 120 * 120 * 75mm / 4.72 * 4.72 * 2.95in * Type 2: 130 * 120 * 75mm / 5.12 * 4.72 * 2.95in * Type 3: 180 * 160 * 100mm / 7.09 * 6.30 * 3.94in * Type 4: 185