Internal filter for aquariums up to 110 liters. Elegant design and comprehensive control management. Suitable as a primary filter for smaller aquariums or as an additional filter for larger aquariums. Customizable 3-way flow control. Ideal for freshwater and saltwater aquariums as well as reptile environments. Can be positioned horizontally in shallow tanks, larger tanks with low water levels, or to create decorative waterfalls. Thanks to the practical, easy-to-open cover, quick and easy access to the filter media is possible for maintenance or replacement. The Fluval U-series internal filters offer excellent 3-stage filtration and increased water movement, ensuring necessary oxygen enrichment of the water. The Fluval U-series internal filters are the perfect solution for tanks where external filtration is not feasible. Customizable 3-way flow control. Upper outlet for circulation and oxygen enrichment, integrated nozzle pipe for a gentle, even flow, and lower outlet for water movement at the bottom of the aquarium.