Aqua Filter Pro DOW FILMTEC BW30-400 R.O. Membrane Aqua Filter Pro DOW FILMTEC BW30-400 R.O. MembraneDOW FILMTEC BW30-400 R.O. Membrane-Operating Limits-Membrane Type: Polyamide Thin-Film CompositeMaximum Operating :Temperaturea 113°F (45°C)Maximum Operating Pressure: 600 psig (41 bar)Maximum Pressure Drop: 15 psig (1.0 bar)pH Range, Continuous Operationa: 2 – 11pH Range, Short-Term Cleaning (30 min.)b :1 – 13Maximum Feed Flow : 85 gpm (19 m3/hr)Maximum Feed Silt Density Index :SDI 5Free Chlorine Tolerancec: < 0.1 ppm +971562425645 Enquire Now