Ideal source control for small sites and surface runoff
The First Defense is an enhanced vortex separator that provides stormwater treatment in a surface inlet device. The integral bypass and large pipe sizes convey a wide range of flows without risk of washout and surface flooding.
For more information, download the First Defense Flyer
Applications
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Small to medium size catchments |
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New developments and retrofits |
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Source control for streets, parking lots and maintenance yards |
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Pretreatment for filters, infiltration and storage |
Advantages
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Catch basin and separator in one device. |
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Built-in bypass for peak flows. |
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In-line configuration. |
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Prevents pollutant washout. |
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Low headloss. |
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Compact and flexible design. |
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