All in one power filter that can be attached outside the tank or placed on table. Large filter box, additional with multiple filter materials. Separate inlet & outlet design allows water to flow to and fro for optimized filtering effect. The body made in fancy plastic to prevent from being broken. Sophisticated structure, miscellaneous accessories, easy assembly and maintenance. Special U-type and L-type soft tubes, unbendable as installed. Ideal for freshwater and marine aquariums up to 80L.