Aquarium Systems 50 Watt Submersible Aquarium Fish Tank Heater

VisiTherm 50 Watt Aquarium Fish Tank Heater Fully Submersible Automatic Heating For Aquarium And Aqua terrarium. 50 Watt Aquarium Heater Suitable For Fish Tanks 25-50 Litres Suitable For Freshwater And Saltwater Aquariums Temperature Adjustable From 20°C to 34°C. Hard Wearing Quartz Glass Ensuring Adequate Heat Transfer Via A High Performance Heating Element. Suction Cups And Clips Included Waterproof Double Insulation Thermometer Style Temperature Indicator Light Indicates On And Off Cycles Heating Elements With Improved Insulation Thermal Shock-Resistant Quartz Tube Dimensions: 27cm