I purchased one of these £37.78 inc units a couple of weeks ago,well worth considering, with some good reviews. Ebuyer also have a 1 port unit for £30.54 inc.
If you want ADSL splitter/micro filters. Try Quickfind 39530 @ £1.17 inc. I have them installed, and they work very well.
Ebuyer click here
Sir Radfordlin-Appologies for commondeering your posting.