Tetra LED Aquarium CubeClear, plastic tank provides a beautiful view of your underwater environment and is virtually unbreakable. Air powered Whisper three stage filtration with small Bio Bag cartridges keep your aquarium crystal clear and odor free. Low voltage LED lighting insures a bright aquarium and enhances safety. This aquarium is appropriate for keeping one Betta or up to two community tropical fish (We dont recommend goldfish in any kit smaller than three gallons