Contains rust inhibitor. Available in 16 oz. (pint), 64 oz. (half-gallon) and 128 oz. (gallon). EPA approved MAR-V-CIDE is four times the concentration of our leading competitor, as a hospital disinfectant. Using MAR-V-CIDE will cut your disinfectant costs by up to 75%. Two ounces of MAR-V-CIDE make one gallon of hospital strength shop solution.