First Defense® High Capacity

The First Defense® High Capacity is an enhanced vortex separator that combines an effective stormwater treatment chamber with an integral peak flow bypass. It efficiently removes total suspended solids (TSS), metals, trash and hydrocarbons from stormwater runoff without washing out previously captured pollutants.

Features & Benefits
• Available in several model configurations for a variety of design parameters
• Adapts to smaller or logistically difficult site locations
• Verified by the New Jersey Corporation for Advanced Technology (NJCAT) and New Jersey Department of Environmental Protection (NJDEP)
• Proven to prevent pollutant washout at up to 450% of its treatment flow

Stormwater Treatment Project Inquiry Form:

  • Stormwater Treatment Project Inquiry Form


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