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Dow Filmtec membranes are designed for commercial, industrial, and residential applications. Filmtec reverse osmosis commercial and industrial membranes provide water filtration from 100 to 7500 gallons per day, and residential Filmtec RO membranes provide 24 to 100 gallons per day. Filmtec membranes can be used for reverse osmosis and nanofiltration elements for a wide variety applications. We offer replacement DOW Filmtec RO membranes for users including power generation and semiconductor plants, chemical and process industries, municipalities, and other commercial and residential consumers. We carry Filmtec replacement membranes for any water filtration need.