Opella Syphon
7.5" from bell bottom to overflow cut off (see image for better idea)
Adjustable flush levels for a 6, 7 or 9 litre flush (instructions on item bag)
Internal overflow technology, no need for an outside overflow waste pipe
Standard 1 1/2" outlet thread
Comes with washers suitable for both close coupled & low-level installation
Dual flush action allowing you to save water if you wish.