Filmtec Membrane

Filmtec Membrane

FILMTEC™ reverse osmosis membrane elements from Dow are engineered to meet the varying needs of a wide range of industrial, municipal, commercial and drinking water applications. Our advanced manufacturing technologies ensure that FILMTEC membranes always deliver unmatched performance and productivity as well as the highest quality and consistency available. Whatever your water treatment system requirements, FILMTEC elements can help you deliver the highest quality water at the lowest total cost. Based on extensive research and testing of FILMTEC and competitive membranes, we’ve engineered our brackish product line to meet precise cost and performance targets while optimizing both capital and operating costs.


  • 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 representatives

Filmtec Membrane

FILMTEC™ Membranes FILMTEC BW30-400

High Rejection, High Surface Area Brackish Water RO Element

The FILMTEC™ BW30-400 is the product of choice when the highest quality permeate is required. It was the first 400 square foot membrane element on the market and continues to be widely used in new equipment and retrofits where system capital and productivity are factors.

  • FilmTec’s superior automated manufacturing technology results in the most consistent performance element-to-element and year-after-year.
  • BW30-400 elements deliver high flow and high rejection without being chlorinated during the manufacturing process. This is one reason why FILMTEC elements are more durable and may be cleaned over a wider pH range (pH 1-13) than other RO elements.
  • With more than a decade of proven performance, BW30-400 is the product you can rely on for years of trouble-free operation


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