Constructed of the finest cast acrylic, these SeaClear 20 gallon aquariums will offer years of dependable service. They're less than half the weight of comparably sized glass tanks and their exceptional clarity allows unobstructed views of the underwater world you create. Since acrylic is impervious to the corrosive effects of saltwater, SeaClear acrylic aquariums are suitable for both fresh or saltwater use. Includes a fluorescent hood with fixture installed (bulbs not included). SeaClear acrylic aquariums, manufactured by CASCO Group, Inc, carry the limited lifetime warranty against leakage. Features: Built-In Filtration Includes: Aquarium with Hood Used For: Freshwater Fish and Saltwater Fish Tank Size: 20 gallon Installation Type: Table Color: Cobalt Blue Shape: Rectangle Dimensions: 13"L x 24"W x 16"H Material: Acrylic, Aluminum Warranty: Limited Lifetime Size: 20 Gal. Color: Cobalt Blue.