UV Water Sterilizer Reduces Bacteria Connection Size 2 in Lamp Watts 127 W Flow Rate 246 gpm Voltage 120 V Exposure 30 000 UWS/CM2 Overall Height 17 in Width 10 in Maximum Pressure 100 psi Chamber Material Stainless Steel Housing Material Stainless Steel Hydrogen Sulfide Concentration Less Than 0.05 ppm Maximum Hardness 7 mg Maximum Iron Removed 0.3 mg Maximum Manganese Removed 0.05 mg