The Duofresh insert from Geberit is an innovative solution for concealed cisterns from the Sigma series with an installation depth of 12 cm, which were manufactured from 2008 onwards. This product enables easy integration of the Geberit DuoFresh stick, which ensures fresh and pleasant room air without using chlorine or oxidising components. The slide-in unit is designed so that it can be inserted without tools, making installation considerably easier. The Duofresh slide-in unit is compatible with various Geberit actuator plates, including Sigma01, Sigma10, Sigma20, Sigma21, Sigma30 and Sigma50. Equipped with a sophisticated swivelling mechanism and a protective plate, this slide-in unit offers user-friendly handling and ensures that the DuoFresh Stick can be used safely and effectively. Compatible with Geberit Sigma concealed cisterns from 2008 onwards. Simple, tool-free installation of the DuoFresh Stick. Integrated swivelling mechanism for easy handling. Protective plate and drip tray for added convenience. Versatile use with various Geberit actuator plates.