Frames supplied complete with extension bolt set and quick fix nuts for easy install. Wall brackets and top of frame designed for easy shelf installation. Cisterns can be set to 4.5Lt flush volume for eco homes. Large feet with sound deadening pads for easy fixing (specially designed for uk timber floors). Frames tested to 400kg weight. Cisterns have polystyrene cover to prevent condensation and side fixing holes to enable frame to be screwed to timber stud work