http://www...........co.uk/Rebuildable_Tanks_Attys/cat705284_1652435.aspx see if this one works
don't know why ecf is changing the url's... edit that url but insert s.a.f.e.r.c.i.g.s without the dots.
I did a google search for them and found it But I don't like the threaded tank. I may be interested in the ss post. I may wait until a US vender carries them, though.