DOW FILMTEC BW30HRLE-440i Membrane

Product Description

DOW FILMTEC BW30HRLE-440i Elements are ideal for reverse osmosis plant managers and operators dealing with controlled pre-treatment waters and seeking advanced membrane treatment with good water purity and low energy consumption.


Product Active area Feed spacer thickness (mil) Permeate flow rate Stabilized salt rejection (%) Minimum salt rejection (%)
BW30HRLE-440i (ft2) (m2) Thickness (mil) (GPD) (m3/day) (%) (%)
440 41 28 12,650 48 99.3 99.1



  • Offers good salt rejection with 33% lower pressures
  • Delivers excellent silica, boron, nitrate, IPA and ammonium rejection
  • Provides increased active area with 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


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(1 review) Write a Review
  • 5
    The best membrane supplier

    Posted by Nadir M. on Apr 23rd 2020

    shipped same delivery, thanks

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