Geberit Sigma Dual Flush Cover Plate for Concealed CisternGeberit Sigma Dual Flush Cover Plate for Concealed Cistern Designed specifically to be used with Geberit Sigma 8 or 12 Concealed Cisterns only, this flush cover plate adds a level of style and sophistication to your bathroom setup with it's attention to detail showcased in the exquisite finish and in the tactile flush buttons. Built for longevity and available in a range of high quality coloured finishes, Geberit features an outstanding 10 year