🔥 Secure Your Flame, Elevate Your Game! 🔥 Experience unparalleled safety with internal check valves for both oxygen and acetylene. Protect your equipment and yourself with our top-tier flashback arrestors. Designed for 9/16-18 threads, ensuring compatibility with most welding setups. A must-have for any professional welder looking to enhance safety and performance. Crafted from high-quality solid brass for exceptional durability and corrosion resistance. Double Protection Easy Installation Durable Build The Oxygen Acetylene Propane Flashback Arrestors Set is engineered for maximum safety and durability, featuring internal check valves, a universal fit for 9/16-18 threads, and robust solid brass construction, making it an essential tool for professional welders.