Battery Gravel Vacuum Cleaner Aquarium Fish Tank Cleaning Syphon Water Vac Specifications: Provides the convenience of a cordless cleaner/siphon Battery powered, Requires 2 "C" cell 1.5v batteries (not included) Performs 3 functions, Gravel Cleaner,Water siphon,Algae cleaner Extendable Up to 20" deep 520L/H pump flow rate Vacuum bag collects all debris The Aquaclean is a powerful 3 in 1 aquarium gravel cleaner, algae remover and water siphon. Since the Aquaclean is battery operated, it eliminates the possibility of electric shock. A simple push of a button operation. The side bag makes it easy to trap debris or simply attach a hose when a water change is needed. The Aquaclean is extendable up to 20" making it ideal for most aquariums. Length 57cm, the maximum length of 80cm Normal water level 40cm, the maximum water level 52cm Maximum flow of 520 liters / hour Tips: When the water absorber is installed to change the water, it is necessary to submerge the nose and the water outlet in the water, and then start the switch. When the water out of the water outlet, it can improve the sand scrubber, the nose and outlet out of the water Package include: 1Set Vacuum CleanerWith 2 filter bags