Features:1. High-performance biochemical cotton filter, Oxygenation, and promotion of water circulation. It is supporting equipment for filtering under sand in the aquarium.2. High efficiency and energy saving, easy to clean3. Fully diving, dual-use for fresh water and seawater4. Brand new three-in-one design of oxygen spray, diving, and pumping5. New design of flow regulation function to prevent juvenile fish from inhaling the tubeSpecifications:Flow rate: 250L/HPower: 3WVoltage: ACEU 220-240V,U.S. regulation: 110VClamping thickness: within 14mmExtension tube length: 8-10cmPlug/Line Length: Two Flat Insert/1.15 meters lengthProduct Size: 8*7*11cm/3.14*2.75*4.32 "Color: picture colormaterial: plasticPackage Included:1pc * oxygen pump water filterNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement