Air Products and Chemicals, Inc. provides atmospheric gases, process and specialty gases, performance materials, equipment, and services worldwide. The companys Merchant Gases segment sells atmospheric gases, such as oxygen, nitrogen, and argon; process gases, including hydrogen and helium; and medical and specialty gases for the metal, glass, chemical processing, food processing, healthcare, steel, general manufacturing, and petroleum and natural gas industries. This segment also offers respiratory therapies, home medical equipment, and infusion services primarily in Europe.