Check the listing for details. Aquarium Waterfall Filter Pump Fish Tank Hang External Oxygen Pump Water Filter. Condition: New. Listed at 8.98 USD. Features: Quality aquarium fish tank waterfall hang on filters. Quiet and energy efficient, easy to use and install. Suitable for both freshwater and marine fish tank. Special cascade flow design, improving oxygen dissolving. Adjustable flow value to adjust flow and dissolved oxygen for creature growing Suitable for water-circulation, biochemical water filtering and adding oxygen into the water in aquarium. Specifications: Item Type: Aquarium Tank External Filter Material: Plastic Color: shown as pictures Size: 8×7×11cm/3.15×2.76×4.33in (Approx.) Power: 3W Max Flow Rate: 250L/H Power Cable Plug: US Plug Voltage: AC 110V 50/60Hz Quantity: 1 Set (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Included: 1 Set X Aquarium Tank External Filter