The CrystalSkim Surface Skimmer from Oase ensures a crystal clear surface. The unobtrusive and shapely design of the surface skimmer makes it ideal for use in a wide variety of aquariums. The skimmer can be individually adjusted to the respective needs and reliably removes residues in the aquarium. The Oase CrystalSkim Surface Skimmer is available for 350 and 600 litre aquariums.