Projects

Projects

In 2001, the self-cleaning PURAIN rainwater filter patented by INTEWA was launched. Since that time, more than 20,000 units have been installed.

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Press comments

Press comments

Here you can find informative press articles on the patented PURAIN rainwater filter.

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Customer feedback

Here our customer reviews concerning the PURAIN filter:

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Water treatment

The possibility to save drinking water has enhanced strongly the last years.

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Rainwater filter

A rainwater filter cleaning itself by the principle of the hydraulic jump.

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Trench infiltration

The DRAINMAX tunnel infiltration system: The only plastic trench with flushable  ground.

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Water pump station

The optimized water pump station for rainwater and greywater utilization in every planned construction.

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Information

Tel. +49 (0)241 96605 0

E-Mail: info@intewa.de

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