Toilet Cistern Kit is designed to repair or modify your existing cistern for easy flushing operation that saves water and eliminates common leaky toilet problems. INNOVATIVE DESIGN: Its 2-button dual flush design and Flush as well as Fill Valve fits to any 10" cistern. Installs without any tools in 5 to 10 minutes - tank removal not required. MORE WATER-SAVING: With its soft and hard flush design, it saves more water and the custom-designed set eliminates common leaky toilet problems due to worn out flapper, toilet handle, etc. WIDE COMPATIBILITY: Works with standard-flush valves and requires 10-inch minimum clearance from highest point of the flush valve opening to the inside of the tank lid.