*Features*: *Multifunctional Aquarium Gravel Cleaner*:Our multifunctional aquarium gravel cleaner kit includes rich accessories to achieve comprehensive fish cleaning jobs. The gravel head with dense-holes design and filter net can ensure quick sand,debris and fish feces filtration while preventing accidently sucking away your beautiful fishes. Silicone cleaning head works great on removing those stubborn stains attached to the fish tank glasses,and 27.55in water hose allows you to effectively change the dirty water. *Efficient & Powerful Cleaning*:Equipped with powerful and low noise motor,our upgraded fish tank vacuum cleaner delivers strong suction and up to 137GPH water flow,high-efficiency working performance filters fish poop and food residue,providing a clean and healthy living environment for your pet fishes. Compared to those manual cleaner,this electric aquarium vacuum cleaner is much more convenient and time-saving. *Adjustable Length*:Come with 2 replaceable water tubes with different length,you can adjust this extendable fish tank vacuum cleaner from 22.83in to 37.2in to fit for various sizes of fish tanks or diverse water levels. Please notice that the short tube and long tube cannot be used simultaneously. *Dual Power Supplies*:We offer 2 kinds of power supply methods for you to choose,you can either use 2Pcs LR20 batteries(not included) to enjoy the freedom of cordless operation without dragging cord and distance restriction,or you are able to use the included adapter with 59.05in power cord,saving your effort of changing batteries. *Easy Installation & Replacement*:No tools or screws required,you can simply assemble or disassemble this electric aquarium vacuum gravel cleaner according to our detailed user manual,making maintenance a breeze. *Specifications*: Product Type: Electric Aquarium Vacuum Gravel Cleaner Material: ABS Color: Beige Adapter Voltage: 100-240V 50-60Hz Adapter Power: 1.5W Power Supply: 2* LR20 Batteries (Not Include); Adapter(Include) Water Flow: 520L/H; 137GPH Maximum Water Line: 72cm/28.34in Minimum Water Line: 30cm/11.81in Water Hose Length: 70cm/27.55in Power Cord Length: 150cm/59.05in Replaceable Long Tube Length: 39cm/15.35in Replaceable Short Tube Length: 18cm/7.08in Adjustable Item Length(With Gravel Head): 58-94.5cm/22.83-37.2in Item Size(With Gravel Head): 94.5x8x5cm/37.2x3.15x1.96in Item Weight: 220g/0.48lbs Package Size: 41*13*7cm/16.14*5.12*2.76in Package Weight: 448g/0.99lbs *Package Lists*: 1x Fish Tank Cleaner 1x Gravel Head 1x Filter Net 1x Filter Head 1x Cleaning Brush Head 1x 39cm Tube 1x 18cm Tube 1x Water Hose 1x Adapter with Power Cord 1x User Manual