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A filter keeps the aquarium clean and fresh and contributes to a healthy water quality. Waste materials travel through the inflow to the filtermedia and are filtered. An external filter can be placed out of the view and is easy accesseble for maintenance. This is a great advantage compared to an internal filter.
EHEIM skim350 works as a surface skimmer for efficiently removing a layer of dirt from the water surface of the aquarium. A comb layer or oil film on the water surface does not look fresh and prevents gas exchange from taking place between the aquarium water and the atmosphere. With the EHEIM skim350 the water surface remains crystal clear!
For aquariums from 0-350 liters