The eheim internal pickup 160 is an internal filter suitable for aquariums up to 160litresr with its simple suction cups means it is easy to attach to your aquarium in addition the filter canister and cartridge can be removed from above without removing the whole of the filterr this is a brilliant solution which makes filter changes and cleaning a much simpler process and is suitable for aquariums up to 160lr the pump sucks in the water from below and carries it through the filter cartridg