UV Disinfection Unit, Reduces Water Borne Pathogenic Bacteria, Connection Size 1 in, Lamp Watts 39 W, Flow Rate 20 gpm, Voltage 120 V, Exposure 30, 000 UWS/CM2, Overall Height 5 in, Width 5 in, Connection Gender Female, Connection Type NPT, Maximum Pressure 100 psi, Chamber Material Stainless Steel, Housing Material Stainless Steel, Maximum Hardness 7 mg, Maximum Iron Removed 0.3 mg, Maximum Manganese Removed 0.05 mg, Maximum Temperature 110 Degrees F, Minimum Temperature 35 Degrees F. This item has been restricted from sale in the following state (s): []