Global Treatment Solutions stocks various types of granular activated carbon and other media for water, air, and soil treatment. They have facilities in Traverse City and Holly, Michigan. The document provides details on several products for liquid and vapor phase carbon as well as blended media for removing contaminants like oil, heavy metals, phosphates, nitrates, and arsenic from water. It includes the product names, descriptions of intended applications and removal capabilities, and available sizes for each. Contact information is provided for questions.