Features: High Efficiency Vacuum Design, Convenient Manipulation, 4 in 1 All-in-One Cleaning. Specification: Product Name: Fish Tank Siphon, Water Change Hose Size: 75 cm/29.5 in, Product Size: 73×62 cm/28.7×24.4 in, Material: ABS Plastic, Battery: 2 x No. 2 Batteries, Flow Rate 520 Liters Per Hour. Package includes: Integrated Motor, Telescopic Conduit, Mesh Bag Connector, Sand Washing Cup, Connector, Filter Mesh Bag, Siphon Tube.