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.
Operating and installing a rainwater harvesting system
A rainwater harvesting system will cut your home's demand for drinking water by up to 50% and therefore also protect the environment. Using rainwater for toilet flushing, washing machines and watering the garden saves precious drinking water. A GRAF rainwater harvesting system is a reliable part of modern home technology. It is easy to install thanks to intelligent components and the GRAF module system and will provide you with a supply of totally clean and free rainwater.