Dow Filmtec 40 Membrane is used to provide highest quality water in commercial applications. It features the thickest feed spacer available in the market today to lessen the impact of fouling. It is mainly used in industrial water,industrial and mining enterprise to produce water, electroplating industry water, chemical enterprise process water, battery water so on. Dow Filmtec 40 Membrane have good hydrophilicity & good mechanical strength. known for its long service life, this Dow Filmtec 40 Membrane is 100% tested and available in reasonable rates.