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With over eight years in research and development, the BayFilter™ is the most efficient, effective, economical, and easy-to-use stormwater treatment filter on the market today. The StreamFilter system utilizes a single or double BayFilter cartridge design to satisfy treatment flow requirements of up to 45 GPM for a single location.

Utilizing steel catch basin structures, an easy-to-handle cartridge design, a proven mixed media filter, and a proprietary spiral wrapped layered construction; StreamFilter removes very fine sediment and nutrient pollutants. The vertically spiraled layered design maximizes flow rates and filter media area for the most effective storm water treatment, while up-flow filtration allows for BayFilter’s unique hydrodynamic backwash cleansing process. This process dislodges pollutants and restores the porosity of the mixed media filter. Dedicated drain-down devices assure there is no unwanted standing water between storm events. With its proven performance and cost effective design the StreamFilter system is the ideal solution for decentralized stormwater filtration.


  • Provides a low drop stormwater treatment option
  • High flow bypass
  • Grate inlet
  • Can be fitted with an inlet pipe
  • Delivers complete and installs like a standard catch basin
  • No confined space entry required for maintenance


  • Treats sheet flow in small areas
  • Treats high flows with small footprint
  • Up to 22.5 GPM with a single cartridge unit
  • Up to 45 GPM with a double cartridge unit
  • Cost Effective Stormwater Filtration