Juwel Eccoflow 1000Lph Powerhead

[bangit]

I'm after one of these to upgrade my rio 240 which currently has a 600. 
 
Has to be an eccoflow version not the old juwel 1000 powerheads or won't fit in the new tank i don' believe. 
 
I'm in Sheffield but happy to pay postage obviously. 
 
Thanks