Geberit Duofix Bidet FrameGeberit Duofix provides a comprehensive range with universal and self supporting installation elements. These are available in drywall construction for all sanitary appliances including WC, washbasins and urinals. The wall hung frames are suitable for partition wall installations, in wall installations in stud walls in lightweight construction, and part height and room height prewall installations and can be used in new buildings and renovations.