@just pumps, no the flexi connector has fall, away from the pan, its just the awkward angle of the photo.
@Pin 5, its the Geberit cistern PN 109.720.00.1 http://catalog.geberit.com/public/ETCatalogSPTable.aspx?cat=ET_GB_GB-en_1&ics=True&show=True&allma=True&achn=25&chn=24&spt=8000363