First Defense®  
   

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First Defense®

First Defense is the first choice in stormwater treatment systems

Utilizing our hydrodynamic vortex separation technology, the First Defense protects valuable downstream water resources from polluted stormwater runoff by removing sediment and floatables while at the same time functioning as an effective catch basin. A built-in bypass prevents washout of pollutants during high flows and protects against hydraulic overloads of the system.

In the challenging world of stormwater treatment, the First Defense is your best defense.

Advantages

Catch basin and separator in one device.
Built-in bypass for peak flows.
In-line configuration.
Prevents pollutant washout.
Low headloss.
Compact and flexible design.