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

The easy way to retain rainwater: GRAF retention Tanks Plus

You want to install a retention cistern, but don’t want to sacrifice the advantages of rainwater harvesting? The GRAF retention cistern is a combination of rainwater retention and rainwater harvesting. A larger tank is selected according to the requirements, allowing some of the rainwater to be used in addition to the required retention volume.


Platin retention cistern

For combined rainwater detention and rainwater harvesting

The GRAF Retention cistern combines rain retention with rainwater harvesting.

Carat S retention cistern

The GRAF Retention cistern combines rain retention with rainwater harvesting.

Carat XL underground tank retention cistern

The GRAF Retention cistern combines rain retention with rainwater harvesting.

Carat XXL underground tank

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http://www.graf-water.com/retention/retention-cisterns.html