Electric Aquarium Fish Tank Water Changer Sand Washer Vacuum Siphon Operated Gravel Cleaner Aquarium Cleaning Tool

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Features: Three functions combined into one: water changing, sand washing and decontamination. Dual power supply mode: can install the battery(not included) and use by AC adapter directly. Freely adjust the different length: 56cm/67cm/82cm, suitable for both shallow and deep aquarium. Can clean gravel, siphon the fish excreta and other dirt out effectively. Great for complete aquarium cleaning or quick spot maintenance.