Premium Material - High quality brass construction, solid, rugged and resistant, can be used for a long time. Flashback Arrestor - Prevents a flame from traveling past the flashback arrestor in the event of a flashback. Pipe Flashback Arrestor can be used for acetylene gas, coal gas, liquefied gas and propane. Oxygen fuel flashback arrestor can be used only for oxygen. With Clamps - When connecting the pipe, the joints are clamped with steel clips, making it safer and more reliable to use. Wide Application - Suitable for kitchens, construction sites, machinery, steel mills, shipyards, and other areas where welding and cutting are required. Dimension - It is the basic style popular, length: 78mm / 3.07inch, fitment for 6mm, 8mm, 10mm pipe. Easy to install and check., Manufacturer: honselia