UV Water Sterilizer, Reduces Bacteria, Connection Size 5 in, Lamp Watts 127 W, Flow Rate 743 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