IceCap RODI Smart Water Filtration System 150 GPD by Smart RODI 4 Stage RODI Capable of 150 GPD Extremely Efficient 2 to 1 Waste to Product Water Ratio Accurate 3 point Digital TDS readouts (before filter, after membrane, after DI) Built in On/Off Timers, Water on Floor Detector, Automatic Membrane Flush Fully-Automated Water Management