With EHEIM PowerLine you have a lot of power and a large number of possible applications.
PowerLine is the just the right filter, if you want to achieve strong water circulation and enrich the water with oxygen. Using the correct outflow nozzles you can determine the water movement. And you can regulate the oxygen supply with the diffusor.
PowerLine has a modular construction. Thus you can easily adjust and extend the filter volume. In order to clean or change the filter media you simply remove the individual modules.