Im not sure I explained myself properly? I was thinking of installing the filter 3 inches from the master socket, not sure that would make much of a difference as to at the socket?
I would then have the router a further 12 inches from the master socket, with just my microfilter inbetween, connecting to my computers over WLAN.
All extensions from the master socket disconnected and any other redundent wires....
And my only extension which leads to a phone docking bay being plugged into the second provided socket on the micro filter.
-----
Having said that, if the microfilters are much better quality on the faceplate than the "bog standard" ones supplied, then thats the kinda feedback I was hoping for

Is the difference in quality worth the while?
Thanks