UV Disinfection Unit Reduces Bacteria Connection Size 3/4 in Lamp Watts 36 W Flow Rate 12 gpm Voltage 120 V Exposure 30 000 UWS/CM2 Overall Height 3 1/2 in Width 3 1/2 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 Suspended Solids 5 NTU