This high quality Bestter push button is a direct replacement for your current button. The button size is an oval shape which is 38mm wide and 72mm long. If the hole in your cistern is slightly larger than this size then this is the correct button for you. (see dimensions on drawing). Note, the distance between the centers of the actuator rods is 30mm. Rods end around 220mm below the cistern lid but can be cut down to any size shorter than that quite easily.