This option in silver comes without a light or heater, so that you choose the combination of accessories that suit you. Add a halogen light or the new Intelligent Lighting Unit. For tropical tanks you can chose from a standard heater pack. The standard package comprises low-voltage air pump, airline & non-return valve, filter media, special highly porous gravel, fish food, water conditioner, a twin outlet 12v power adapter and set of instructions are included. See the full range of BiOrb 60 swaptops here.