Installation set for flush-mounted assembly of TECEfilo glass, TECEfilo plastic and TECEfilo-Velvet urinal electronics in a dry-wall. Depth-adjustable tile frame for wall coverings from 5-18 mm (from 18-33 mm with adjustment bolt - Item No. 9820181). Including disassembly tool for cover panel. Required for shell installation. Caution: For dry-wall installation only. To obtain a clean edge, please use a water jet cutter to prepare the tile cut-out.