The dimensions indicated for the shower trays refer to the installation dimensions, i.e. the measured length dimension and width dimension of the installed shower tray after tiling
US-version, elongated with syphonic jet action, 305 mm/12" rough-in, with Single Flush mechanism, with side lever, 3"/80 mm flapper valve, vertical outlet
*** not suitable for bathtubs with LED coloured light or sound, For further information concerning noise protection, please consider the chapter "Noise reduction sets for bath-/whirltubs and shower trays"