Technical Data: Pure 4040 Membrane Brand: Pure (Romanian). Model: BW30-4040. Capacity (TDS): Withstands salinity up to 5000 ppm. Daily Production: 2,400 gallons (approximately 9,000 liters). Salt Rejection Rate: 99.5%. Membrane Type: Polyamide Thin-Film Composite. Surface Area: 78 sq ft (7.2 m2). Maximum Operating Pressure: 600 psi (about 41 bar). Maximum Temperature: 45°C. Maximum Feed Flow: 16 GPM.