This aquarium filter performs three functions at the same time: water filtration, water circulation and aeration. Compact and versatile units are ready to use - no additional tubing or circulation pump required. <br><br><strong>Features:</strong><br>3 in 1 design: can be used as a filter, a oxygenation pump and can be used for water circulation.<br>Quiet sounds, safe, energy saving and high efficiency.<br>Suitable for both fresh and marine aquarium.<br>Filter adds life and beauty to your aquarium, good for fishes and turtles.<br>Replacement biochemical carbon filter sponges also available.<br>Help improve maintain water quality so as to keep your aquarium in optimum condition.<br><br><strong>Specifications:</strong><br>Color: Green<br>Material: Plastic<br>Power: 2.5W / 3W / 4.5W / 5W(Optional)<br>Plug Type: EU Plug<br>Voltage: 220-240V<br>Frequency: 50/60Hz<br>Flow Rate: 2.5W: 500L/H; 3W: 600L/H; 4.5W: 800L/H; 5W: 1000L/H<br>Power Cable Length: 140cm / 55in<br>Item Size: Approx.<br>2.5W: 4 * 3 * 9.5cm / 1.57 * 1.18 * 3.74in <br>3W: 4 * 3 * 13cm / 1.57 * 1.18 * 5.12in <br>4.5W: 5 * 4 * 17cm / 1.97 * 1.57 * 6.7in<br>5W: 5.5 * 4.5 * 18.3cm / 2.16 * 1.77 * 7.2in <br>Package Size:<br>2.5W: 9 * 5.8 * 15.5cm / 3.54 * 2.3 * 6.1in <br>3W: 9 * 5.8 * 17.5cm / 3.54 * 2.3 * 6.9in <br>4.5W: 10.5 * 5.8 * 21.5cm / 4.13 * 2.3 * 8.46in <br>5W: 10.5 * 5.8 * 23cm / 4.13 * 2.3 * 9.05in  <br>Package Weight: 214g~373g / 7.57oz~13oz<br><br><strong>Package List:</strong><br>1 * Aquarium Internal Filter<br>1 * Soft Tube<br>1 * Set of Accessories