Nalco Water offers two lines of UltraTreat Filters to meet the diverse needs of commercial and industrial customers.

UltraTreat Light Industrial (LI-Series) filters feature FRP vessels, Fleck® control valves, and offer outstanding value for budget-minded customers. Self-cleaning, hydraulically balanced piston control valves constructed of low-lead brass provide superior performance over a wide range of water and pressure conditions. UltraTreat LI-Series multimedia and carbon filters are designed for commercial and light industrial applications requiring the removal of particulate and dissolved organic matter. Single vessel configurations accommodating flow rates up to 70 gallons per minute per vessel are available.

UltraTreat Heavy Industrial (HI-Series) products feature rugged steel vessels, valve nests, and a range of options for almost any industrial application. UltraTreat HI-Series multimedia and carbon filters are designed for heavy industrial applications requiring the removal of particulate and dissolved organic matter. Simplex and duplex configurations accommodating flow rates up to 420 gallons per minute per vessel are available.