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VisiTherm Mini Heater 10W
The Aquarium Systems VisiTherm Mini (10w) is a miniature submersible heater suitable for 10-20L aquariums
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Visitherm 300 watt quartz heater for heating an aquarium
VisiTherm Heaters
VisiTherm aquarium heaters are a range of high precision fully submersibles suitable for any type of aquarium
  • 25W heats 15 – 25 litres
  • 50W heats 25 – 50 litres
  • 100W heats 50 - 100 litres
  • 150W heats 75 - 150 litres
  • 200W heats 100 - 200 litres
  • 300W heats 200 - 300 litres
For more information, please read our longer description below
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