Paco Jaanson Wilco Undercounter Floor Mount Mechanical CisternWilco concealed cisterns represent the perfect combination of quality, aesthetics and functionality. Only 100mm in thickness, the super slim cisterns comfortably fit within walls, while the 3 4. 5 litre dual flush buttons help saving water. All wilco cisterns are equipped with ultra silent flushing mechanisms, and include a director water stream technique to ensure noiseless refilling. Small and stylish, the plate is no more than 247x165mm in size.