Geberit Dual Flush TWICO main body replacement includes E4447 buttons. This dual flush valve is designed for easy DIY replacement and features two half-moon push buttons. It is compatible with dual flush systems and has an adjustable bridge. It's a simple swap of the main body, allowing you to refresh your cistern bridge and buttons. Manufactured by Geberit, this part is popular with many leading brands including Ideal Standard, Villeroy & Boch, Vitra, Sottini, and Duravit.