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Aquarium Fish Tank Water Change Gravel Cleaner Water Tank-Clean Sand Filter Siphon PumpFeatures:Siphon design can manually adjust the flowPacking instructions, instructions for useAccessories: main body, flow regulator, straight pipe, filter, connector, hoseSpecifications:Name:Aquarium Water Tank-Clean Sand FilterFunction: sand washing and water changing for fish tankMaterial: environmental protection plasticColor:as shownNote:The use of sand washing before, please make sure the hose without residual water, when the water pipe in the sand washing will not start to workWhen you clean the fish tank, make sure that all the appliances have been cut off.Included:1 XWater Tank-Clean Sand Filter