UV Disinfection Unit, Reduces , 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, Suspended Solids 5 NTU