Circle Shape Bubble Hanging Aquarium Complete Self Contained Wall Fish Tank For Freshwater, Tropical, Marine, Saltwater Fishes(Navy) Water Volume: 16 litre (~4.5 Gallon) Size (WxLxH): 48cm x 48cm x 25cm (~19"x19"x10" inches) Fluorescent Lighting: 10 watt Pump and Filter Included. Heater Sold Separately