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.
Wash your laundry with rainwater! Rainwater contains no limescale-causing minerals. Compared with tap water, you will therefore need considerably less detergent. Washing machines are one of the largest consumers of water in the home. By using rainwater in their washing machine, a family of four can save more than 20 000 litres of precious drinking water a year.