(to prevent back-firing as torch flame goes out). The item "Weldit Gas Saver for Welding and Cutting Torches" is in sale since Tuesday, August 7, 2018. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Welding & Soldering Equipment\Welding\Other Welding Equipment". The seller is "davemzimmerman72x3" and is located in Utica, Michigan. This item can be shipped to United States.