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Dupont Filmtec BW30-400 Commercial Reverse Osmosis Membrane

DOW FILMTEC BW30-400 Membrane elements are the product of choice when high-quality permeates are required. BW30-400 is a DOW FILMTEC™ Brackish Water Reverse Osmosis (BWRO) 8” Element, which can separate salts from water. Previously known as BW30 8040, the BW30 400 is produced with an automated fabrication process that ensures precision, consistency, and reliability.


  • Decades of proven performance
  • Delivers high-quality permeate water while minimizing CAPEX
  • Offers the most effective cleaning performance, robustness, and durability due to its widest cleaning pH range (1 – 13) tolerance and the support of Dow technical representative’s high rejection gives good water quality;
  • Filmtec performance and quality