Fluval 307 External Canister Filter (330 Litres)The Fluval 07 series marks the 7th incarnation in 4 decades of Fluval's top selling canister filter family. Not only does the latest generation incorporate the power and reliability you've come to expect from the leader in aquatic filtration, but it also features several new performance upgrades that make it up to 25% quieter and more robust, energy efficient, Flexible and easier to use than ever before. Key Features : Fluval eTEC (Efficient