this flashback arrestor is a must-have for anyone involved in industrial welding. It is incredibly effective at preventing flashbacks and keeps you safe while working with acetylene gas. The product is made from durable, high-quality materials ensuring it will last for a long time. However, the price may be a bit steep for those who are just starting out in the welding industry.Overall, an excellent investment that will pay off in the long run. It is definitely worth considering if you work in the industrial and scientific fields..