Duofix Basin Frame - 0.82M/0.98M Adjustable This Duofix frame from Geberit is designed to be used for wall hung basins. The frame is adjustable between two heights 0.82M or 0.98M. Geberit are industry leaders and specialists in concealed cisterns, frames and toilet fittings. Wall hung basins fixings between 50mm and 380mm Frame Height - 820mm or 980mm Galvanised Leg Supports Self Supporting Frame supplied with wall brackets, backplate elbows and isolating valves