Flow Rate: Up to 20 liters/hour 7-Stage Purifying Technology: Pre-Sediment Filter, Pre-RO Carbon Filter, Mini Filter, Reverse Osmosis Membrane, Micro-Filtration Membrane, UV and Post-RO Carbon Filter Membrane Type: Thin-film composite spiral wound Pump Type: Diaphragm pump, 24V DC % Recovery 5: Typically, 35% TDS Reduction: 90% (Min) Power Rating: 55 Watts Maximum Pressure Rating: 10-30 PSI Input Voltage: 100 – 240 Vac; 50 Hz Material of Construction: Food safe, non-toxic, engineering grade plastics Length of Power Cord: 1.5 meters Total Dissolved Solids in Input Water: Up to 2000 mg/lit Total Hardness: 500 mg/lit (max.) Iron in Input Water: 0.3 mg/lit (max.) Turbidity of Input Water: 1 NTU (max.)