SeaClear System II Aquariums offer built-in wet/dry biological filtration that built into the back of the Aquarium.
The easiest way to create a breathtaking fresh or saltwater aquarium set-up is with the SeaClear System II Aquariums. They're equipped with a wet/dry filtration system, which accommodates biological, chemical and mechanical filtration media, as well as space for a heater and SeaClear Protein Skimmer if needed (each sold separately). The tank itself is SeaClear's sparkling acrylic, with smooth rounded corners for great looks and safety.
Made from the clearest material available, it's 17 times stronger and less than half the weight of a comparably sized glass aquarium. Since acrylic is impervious to the corrosive effects of saltwater, SeaClear acrylic aquariums are suitable for either fresh or saltwater use they are convenient, efficient and economical to run.
System II Wet/Dry Filtration System features:
Availability: 26 Flat Back Hexagon, 30 Show, 40 Regular, 46 Bowfront and 50 Regular - gallon capacity.
SeaClear System II Aquarium colors include: Black and Cobalt Blue.