Aqua one ThermoSafe Heater 50W
Aqua One provides a range of heating solutions to provide the perfect solution for each aquarium set up.
High quality and economical heaters that are completely submersible with double insulation. Complete with heater thermostat with easy to use temperature settings, easy to read temperature guide and automatic shut off and 'on' light. Suitable for marine and tropical aquariums.http://www.youtube.com/watch?v=he8tGdG2v6o