Otto Graf GmbH
Plastic Products
Tel. +49 7641 589-0
Fax +49 7641 589-50
export@graf.info
www.graf-water.com
Carl-Zeiss-Straße 2-6
DE-79331 Teningen, Germany

Further Information


Plastic material - clear advantages over concrete!

GRAF wastewater treatment technology

Infiltration of the purified wastewater into the ground. 

wastewater treatment soakaway

Function of a SBR wastewater treatment system.

SBR wastewater treatment

The most commonly asked questions about wastewater treatment.

Questions and Answers

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