This rimless glass aquarium sits on a modern cabinet, available in black or white. This aquarium is designed for saltwater use freshwater use. In addition, it includes sump filtration made of glass. Evaporation is a common problem for rimless tanks. Sitting on the sump, is an auto top off to replenish the water. The power cord will match the chosen color of your tank, making this the cleanest display you've ever had.