The Bioscape Tropic Canister Filter offers superior mechanical, chemical and biological filtration. Quite, energy efficient and powerful with a modular design that enables additional filtration media to be added so that you can customise your filter to suit your requirements. Biological, chemical and mechanical filter media are included.With the media flexibility, ease of maintenance and overall efficiency of the filter the Bioscape Tropic canister allows for a cleaner, clearer aquarium.