Lightning deal ends 2pm
Thermostatically controlled twin 120mm fans for caravan or motorhome fridge vents (there's a slightly cheaper 90mm version). These can improve the efficiency of the cooling.
Yes, you can bodge up one of these systems yourself possibly for less using computer fans and a simple electronics doo dah bought online, but this is all done and has a nice control.
Down the page there are links to the other variants with different mounting systems.
could this use in a computer case?