[INTEWA Singapore]: References

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

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

Here our customer reviews concerning the PURAIN filter:

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

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

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

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

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