Have you tried SIPUK themselves (they sell direct to public) - if they don't sell it then I can't see how anyone else can.
I think the part MAY be SIP 10069
Edited by diggingdeeper (4th Jul 2011 10:44pm)
In a time of universal deceit - telling the truth is a revolutionary act. George Orwell
When the debate is lost, slander becomes the tool of the loser. Socrates