Process Vesphene® II st unit dose is a one-step, alkaline phenolic cleaner/disinfectant specifically formulated for use on hard, non-porous surfaces. Process Vesphene II st is proven effective in the presence of heavy soil (5% bovine serum) and in hard water. Process Vesphene II st in the unit dose package size provides the appropriate amount of solution for the right dilution every time. It is gamma irradiated to ensure sterility and double bagged for ease of introduction into aseptic areas. Process Vesphene II st is buffered to maintain a use dilution pH of 10.4 – 10.6 and is ideal for use in a disinfectant rotation program with Process LpH st in the unit dose package size. Each 2 oz. pouch makes 2 gallons of solution.