Dow Filmtec TW30-1812-50,1.75" x 11.75" thin film composite residential RO membrane. 99% stabilized salt rejection rate.
Filmtec TW30-1812-50HR Residential RO Membrane (50 GPD)
Authentic NEW Dow Filmtec TW30-1812-50HR Reverse Osmosis Membrane. Each membrane purchase includes a Mur-Lok or Axeon capillary (internal) or barrel type (external) flow restrictor, sized for the membrane (800 mL/min for 100 GPD; 550 mL/min for 75 GPD, 350 or 420 mL/min for 50 GPD). The flow restrictor should be changed each time the RO membrane is changed. We include at no extra charge!
Dow Filmtec is the #1 selling membrane is the world and delivers up to 20% greater output than other membranes of comparable size.
Maximum Operating Temperature 113°F (45°C)
Maximum Operating Pressure150 psig (10bar)
Maximum Feed Flow Rate 2.0 gpm (7.6 lpm)
pH Range, Continuous Operation 2–11
Maximum Feed Silt Density Index (SDI) SDI5
Free Chlorine Tolerance <0.1ppm
Maximum temperature for continuous operation above pH10 is 95F (35C). Under certain conditions, the presence of free chlorine and other oxidizing agents will cause premature membrane failure. Since oxidation damage is not covered under warranty, Dow Water & Process Solutions recommends removing residual free chlorine by pretreatment prior to membrane exposure. Please refer to technical bulletin "Dechlorinating Feedwater"for more information.
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