MULTIFUNCTION GRAVEL CLEANER: AQQA aquarium gravel cleaner is designed to clean up small gravel and change water of fish tank. It also can remove the dirt, residue from the bottom of aquarium. 5 in 1 functions with water changer + sand washer + debris cleaning + water filter + water shower. Should connect with different connector when working for different function, eliminating the need to purchase multiple tools separately | ADJUSTABLE DESIGN: Equipped with an inlet tube and two extension tubes, can create a total length of 38.4 inches. The tube can be extended from 16.9 inches to 33.6 inches, so user can adjust the height according to fish tank size or the water level, which is suitable for tanks with different heights | STRONG POWER: The 110V/20W powerful water pump motor can provide the maximum flow of 320GPH. Strong Power with Suction enough to change water, suck food debris & fish poop out of aquarium quickly. Suitable for both shallow and deep aquarium | EFFECTIVE FILTERING: Clean gravel, siphon the fish excrement and other debris by the filter mesh bag, then the clean water will permeate from the bag and flow into tank, also can drain out water through outlet pipe.The cleaning head with inner mesh reduces suction and prevents water plants or small fish from being sucked up with water | WHAT YOU GET: Aquarium Gravel Cleaning kit includes 2 sections of extension tubes,1 filter bag,1 outlet hose,1 sand washing head,1 brush head,1 sand vacuum,1 water intake strainer,1 duckbill suction inlet,1 shower head,1 power adapter. AQQA provide 12 Month Warranty and 24 Hour Professional After-sales Service. Please don't hesitate to contact us to get help.