The Viva Skylo 3 part dual flush syphon adjusts from 7.5" to 9.5 in height allowing it to fit in most toilets. This traditional toilet syphon features an internal overflow to prevent flooding and the dual flush function and multiple flushing volumes give greater control over your water. Demountable for easy service, the Viva Skylo 3 part dual flush syphon can be removed by simply unclipping the side clip.