Description: Unique mute technique introduced from Germany and optimized accessories effectively reduce vibration of the product, quieter and more durable. The shaft is made of ceramics, corrosion resistance and energy-saving. "+" and "-" switch of regulating water flow. Super strong suckers on the surface. Easy to remove and clean. Specification: Material: Plastic Size: Approx. 55×43×50mm / 2.17x1.69x1.97inch Power: 8W Lift Height: Approx. 1.1m / 43.31inch Flow Rate: 550L/H Application: Aquariums, fish tanks, etc Plug: EU Standard Size Chart: Hose Size: 1. External Dia.: Approx. 12mm / 0.47inch Internal Dia.: Approx. 10mm / 0.39inch Height: Approx. 24mm / 0.94inch 2. External Dia.: Approx. 8mm / 0.31inch Internal Dia.: Approx. 6mm / 0.24inch Height: Approx. 21mm / 0.83inch Package Includes: 1 Piece Aquarium Water Pump Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement