INTEWA DRAINMAX Tunnel systems have over twenty thousand installations across Europe and have been successfully used for more than 10 years.

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Press comments

You can find informative press articles on the DRAINMAX Tunnel infiltration trenches

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

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

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

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

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