Activated Alumina - AGM Container AGM Container Controls, Inc., AGM Container Controls, AGM, moisture control, moisture control solutions, Activated Alumina is most frequently used for compressed air dryers, because of its cost effectiveness in relation to the other types of desiccant. With its high surface area, high moisture capacity, and high crush strength, Activated Alumina can easily withstand the saturated conditions that are found within an air compressor.