Features:
Three functions combined into one: water changing, sand washing and decontamination.
Dual power supply mode: can install the battery(not included) and use by AC adapter directly.
Freely adjust the different length: 56cm/67cm/82cm, suitable for both shallow and deep aquarium.
Can clean gravel, siphon the fish excreta and other dirt out effectively.
Great for complete aquarium cleaning or quick spot maintenance.
