Deionizer, Inlet Pipe Size 3/8 in OD Tube, Outlet Pipe Size 3/8 in Hose Barb, Max. Inlet Pressure Range 100 psi, Purified Water Resistivity 50 to 100 Kiloohm, Water Type Type III, Max. Output Flow 1.9 lpm, Voltage 120V AC, Inlet Water Temp. Range 100 Degrees F, Particulate Removal 5 micron, Application Chiller Loops, Environmental Chambers, Sterilizers, Ultrasonic Cleaners, Includes Cartridges and Water Quality Light