Hydrogen Generator Flow Rate 500mL/min Purity with Respect of Oxygen Greater than 99 Percent Water Consumption Varies Delivery Pressure 5 to 100 psi Compressor Included No Optional Auto Water Fill AWF No Ambient Temp Range (C) 5 to 40 Degrees C Ambient Temp Range (F) 41 to 104 Degrees Water Quality Greater than 1M Ohms Power Source 110V Connection Ports 1/8 in Depth 17.2 in Height 17.9 in Width 13.5 in