DOW FILMTEC BW30XFRLE-400/34i Membrane

Product Description

DOW FILMTEC BW30XFRLE-400/34i Elements are ideal for reverse osmosis plant managers and operators dealing with challenging waters and wastewaters who are seeking an advanced membrane treatment with good water purity, improved fouling resistance and low energy consumption.


Product Active Area

Feed Spacer Thickness Permeate Flow Rate

Typical Stabilized Salt Rejection Minimum Salt Rejection
DOW FILMTEC Element (ft2)  (m2) Thickness (mil) (GPD) (m3/day) (%) (%)
BW30XFRLE-400/34i 400 37 34-LDP 11,500 43 99.3 99.1



  • Offers good salt rejection with 30% lower pressures
  • Delivers excellent silica, nitrate and ammonium rejection
  • Provides the most effective cleaning performance, robustness and durability due to its widest cleaning pH range (1 – 13) and chemical tolerance and the support of Dow technical representatives
  • Includes iLEC™ interlocking end caps, reducing system operating costs and the risk of o-ring leaks that can cause poor water quality



  • Industrial water demineralization
  • Water reuse


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(1 review) Write a Review
  • 5
    Great solution for water treatment

    Posted by Alfredo M. on Jul 13th 2019

    Better prices here!

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