Downstream Defender & First Defense Sizing Tool

Size your Downstream Defender® and First Defense® stormwater separators online.

For US users

Log in to the US-specific sizing tool: US Stormwater Separator Sizing Tool

For Kansas City users

Log in to the Kansas City-specific sizing tool: Kansas City Stormwater Separator Sizing Tool

For Canadian users

Log in to the Canada-specific sizing tool: Canada Stormwater Separator Sizing Tool

Support

Click the Download button below to view the user guide.

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