Sturotec tub support for Bette Ultra shower tray super flat 120 x 120 x 3.5 cm STUDWB125

suitable for: Bette Ultra shower tray super flat 120 x 120 x 3.5 cm , Art. no. 8720-000 surface ready for tiling installation on screed, unfinished and wooden floors possible sound insulation tested according to DIN 4109