4. aquarium tank :Each table aquarium includes 2 power heads, heater, thermo-meter, lighting fixtures with 2 actinic red bulbs and 2 actinic white bulbs, and a state-of-the-art ecological filtration system built inside the tank bottom that gives your aquatic lives a realistic natural environment.  Extra sockets in columns allow you to plug in your heater and air pump or other electrical accessories without being noticed. All these electrics are controlled by 4 neatly-rowed switches on the tank column and are run through one main cable that you can plug to your power source and easily hide underneath your carpet. It is even equipped with rollers on the bottom for you to move the table aquarium around easily