The Duke 600222SED Flame Arrestor is safety component that provides optimum performance and is intended to stop the transmission of flames in pipelines, tanks and vents. How it works is that it cools and quenches heat from a flame so that it cannot continue to blaze. It is made from high quality materials and can be used in different sectors including oil and gas, chemical and manufac... https://partsfe.com/600222sed-duke-flame-arrestor