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DOW Filmtec BW30-400 Reverse Osmosis Membrane

Filmtec Brackish Water BW30-400 Reverse Osmosis membrane elements suitable for commercial and Industrial applications. The DOW FILMTEC™ Brackish Water RO elements provide consistently high performance and enhanced element life when treating difficult industrial water, enabling lower energy usage and reduced costs.

DOW FILMTEC™ membranes are one of the global leaders and a trusted brand in the field of membrane technology. Through its continuous commitment to unique membrane based technology, innovation & product excellence, DOW™ membranes offer high performance membrane solutions. The BW30-400 (8-inches) RO membrane elements set a new standard for high performance with high rejection and lower fouling, used extensively in municipal and industrial water and wastewater treatment.


  • Up to 99.8% nominal salt rejection
  • High TOC, silica and hardness rejection
  • Low biological and colloidal fouling
  • High permeate flow
  • Low operating pressure
  • Low energy consumption
  • Lower cleaning frequency and costs

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