Luxfer Holdings PLC, together with its subsidiaries, provides high-performance materials, components, and high-pressure gas containment devices for defense, first response and healthcare, transportation, and general industrial applications. It operates through three segments: Gas Cylinders, Elektron, and Graphic Arts. The Gas Cylinders segment manufactures and markets specialized highly engineered cylinders using composites and aluminum alloys, including pressurized cylinders for use in various applications, including self-contained breathing apparatus for firefighters, containment of oxygen and other medical gases for healthcare, alternative fuel vehicles, and general industrial applications. The Elektron segment focuses on specialty materials based primarily on magnesium and zirconium.