Sera Aquarium Thermostat Heater 100w - Waterworld Aquatics
The rod for a comfortable climate | EHEIM GmbH & Co. KG. Leading aquarium manufacturer.
XiLONG Aquarium Heater Fish Tank Heater - 200W for 100 to 200 Litres - 1.5mm Glass Submersible for Freshwater and Marine Tropical : Amazon.co.uk: Pet Supplies