The Aqua One Aquis Canister Filter range offers a far superior level of both mechanical and biological filtration suitable for freshwater and marine aquariums. The Modular filter design also allows for the use of a variety of media including biological, activated carbon and exchange resins which are easily interchanged. The superior motor design provides silent and energy efficient operation plus a modular design which allows for a variety of media. The quick release heavy duty clips and carry handle for safe and simple maintenance. The AQIS 1000 Canister is designed for freshwater or marine aquariums up to 250 litres in volume and has a maximum flow rate of 700 litres per hour driven by a 20.5 watt motor.