The Geberit Alpha Duofix Concealed Cistern is a premium in-wall installation system designed for wall-hung WCs. It features a heavy-duty self-supporting powder-coated steel frame with an integrated concealed cistern, making it suitable for drywall and lightweight partition installations. Engineered with Geberit's renowned flushing technology, the Duofix system ensures efficient water usage, quiet operation, and long-lasting reliability.