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.

Perkins Township, Ohio used the First Defense to take advantage of the cost savings, easy maintenance and smooth installation - See Case Study 

Applications

• Small to medium size catchments
• New developments and retrofits
• Source control for streets, parking lots and maintenance yards
• Pretreatment for filters, infiltration and storage
• LEED® Sites

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