Graf offers you the best made of plastic material for your home and industry! As European market leader in the range of rainwater harvesting, we find solutions and inform you on options around the responsible use of water.
Wastewater treatment system one2clean - smart and simple!
As much technology as necessary, as little technology as possible.
A reliable wastewater disposal system no longer needs to be complicated. With one2clean, you will be able to take responsibility for the timely disposal of your waste water, while taking care of your budget and the environment.