The Aquael Fan Filter 2 Plus is designed for cleaning, circulating and oxygenating your aquarium water. The Fan 2 Plus uses 5.2 Watts and can perform in aquariums holding a water capacity of 100 � 150 litres. The direction of water outflow within the Aquael Fan Filter 2 Plus can be adjusted to a 75 degree angle and can operate in water depths as little as 2 inches deep. The very carefully appointed sponge that sits on a perforated shaft is resistant to impurities in the water and requires very little cleaning and maintenance.