Aquarium Wasserwechsler automatisch mit Kies-SiphonpumpeKeeping the aquarium clean has never been easier. Want to remove fish waste, old food, and plant debris without pumping manually for hours? This automatic water changer does the work for you just turn it on and watch your aquarium become crystal clear again. What youll love Battery powered without a power outlet Runs on 2 x C batteries, working completely independently without needing a nearby socket. Adjustable tube length for any aquarium size Three