Pelletized activated carbon is created by extruding activated carbon into cylindrical shaped pellets with diameters ranging from 0.8 to 5 mm. Their high activity and surface area make it ideal for many vapor phase applications. The uniformity of its shape makes it particularly useful in applications where low-pressure drop is a consideration. Calgon Carbon Corporation manufactures many pellet types of activated carbon products, each specifically designed to provide a unique pore structure and adsorption properties. By varying manufacturing conditions, internal pore structures are created that impart unique adsorption properties specific to each product type. The choice of product for a specific application will vary due to differing impurities and process conditions.