Powerful flow and strong oxygen addition, the PowerLine is the right internal filter, quick filter or circulation pump with filter for this. In two sizes, both with a powerful pump and high-quality Eheim ceramic components, you can also use these models for larger aquariums. A well thought-out diffuser, adjustable, brings a lot of oxygen into the aquarium. Several outlets are available with the accessories. Due to the modulating structure, the filter volume can be individually adjusted to the aquarium and can be expanded with additional accessories. To clean or exchange the filter medium, simply remove the module one by one from the aquarium. By cleaning the module one by one, valuable bacteria are always kept intact.