It's called a Radiator Booster.......
Here's a link to it ............... http://www.gizoo.co.uk/Products/EcoFriendly/EnergySaving/RadiatorBooster.htm?spmc=TGSPPCGGO800&gclid=CMy1_f _Hi5YCFQs4Qgod0VXzFg
I was thinking of buying one and would really like to know if anyone has used one or knows of someone who has one ??/
If so, do they work ???
Does the little fans in it make much of a noise ??????????
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