The Automatic Heater Thermostat is designed to fit perfectly into your fish tank. Comes with heater suckers and a uk fitted plug. 
Fully boxed.
When buying fish tank heater's it is important you do not buy cheap heater's this is why we only sell uk branded and tested heater's.
Avalible in the following size's :
25w
50w
100w
150w
200w
300w