Description:  This aquarium gravel cleaner is designed to clean up small gravel and change water of fish tank. Adjustable tube fits for large and small . Battery powered cleaner is easy to operate, press the button on the top, the water in the aquarium will automatically be pumped to change water through a hose. It also can remove the dirt, residue from the bottom of aquarium to keep a clean and healthy environment of fish, and other creatures.    Features:          Clean gravel, siphon the fish excrement and other debris by the filter mesh bag, then the clean water will permeate from the bag and into tank, also can drain out water through outlet pipe.      Comes with a water inlet tube and two extension tubes, so user can adjust the height according to fish tank size or the water level.      The cleaning head with inner mesh reduces suction and prevents water plants or small fish from being sucked up with water.      Powered by 2pcs "C" type batteries, with switch button to control on / off.      Top handle part can be hung on the of fish tank, the cleaner helps to free your hands and clean the tank effortlessly.           Specifications:  Condition: 100% Brand New  Material: Plastic  Color: as Shown in the Picture  Power Supply: 2 x 1.5V C Type Batteries(Not included)  Water Outlet Pipe Length: approx. 67cm / 26.38in  Water Inlet Tube Length(3pcs): approx. 18cm / 7.09in, 20cm / 7.87in, 40cm /15.75in  Total Length: Min. 58cm / 22.83in, 72cm / 28.35in, . 95cm / 37.40in (Adjustable)  Normal Water Level: 30cm  . Water Level: 72cm  . : 520L/H  Weight: approx. 373g    Package Included:  1 x Gravel Cleaner Main Body(battery not included)  3 x Water Inlet Tubes  1 x Water Outlet Pipe  1 x Filter Mesh Bag  1 x Cleaning Head  1 x Cleaning Brush