Description: 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 growingSuitable for water-circulation, biochemical water filtering and adding oxygen into the water in aquarium. Specifications:Item Type: Aquarium Tank External FilterMaterial: PlasticColor: shown as picturesSize: 8711cm/3.152.764.33in (Approx.)Power: 3WMax Flow Rate: 250L/H Power Cable Plug: EU PlugVoltage: AC 220-240V 50/60Hz Quantity: 1 Set (other accessories demo in the picture is not included) Note:1.Transition: 1cm=10mm=0.39inch2.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 includes:1 Set X Aquarium Tank External Filter"