Designed for warm-water marine life, includes the glass cover, marine salts, filter media, 2 replaceable mesh bags, hydrometer/thermometer and power drain hose. UL-approved pump has a system flow of 90 gallons per hour. Heating system is thermostatically controlled. Includes a 48 page Marine aquarium Lab Manual. Dimensions are 24" Long x 20" Wide x 12" High. This is a complete saltwater system that comes with everything except the water and the marine life! Features an integrated, balanced operating system which is self-contained and easily maintained. Incorporates a system for circulation, aeration, filtration and heating. The steel frame is coated with durable baked-on finish that offers an effective corrosion resistant barrier between metal and the saltwater. The 4 side panels are constructed of thermal insulating double-wall glass for maximum viewing. Mechanical equipment is housed within the unit for safety, yet it is easily accessible for cleaning.