A product of immense efficiency, quality and reliability, the Turbo88 Duoflush offers a convenient toilet syphon solution. The 2-part design enables the syphon body to be simply removed from the cistern leaving the white downleg in position. Servicing can be completed in under 5 minutes without having to disconnect the water supply or dismantling the cistern. Simple and easy to install and remove. WRAS approved. 6/7/9 litre convertible Dudley Duoflush delivers water-saving reduced flush. 38mm (11/2") outlet. Spares readily available. Water technology list registered. Guaranteed for 5 years. The Dudley Turbo 88 toilet cistern syphon is ideal for use as a replacement in most ceramic exposed and plastic concealed cisterns. The Duoflush technology delivers water saving reduced flush when the lever is held down and a full flush when the lever is.