Water pipe adapter - 12mm to 6mm

Hi guys, i am trying to find some water pipes and reducers on the net, but i am struggling. I have a water chiller which has an 12mm internal diameter(id). This must be attatched to a 6mm (id) imaging device which is being cooled. So basically i need a 12mm - 6mm reducer and the pipes. The pipes need to be like normal flexible hose pipes, but preferably clear. The main thing is that they must be flexible so that they can fit over the male connector of the chiller system. Does anyone know the best way to do this and where i can get the pipes and fittings??.
Thanks !!
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snipped-for-privacy@gmail.com wrote:

Maybe post to this newsgroup:
UK.D-I-Y
Jim
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