Smith™ Flashback Arrestor (set) - Torch Mount H743.1 Set - Genuine Smith™ Torch Mount H743 Flashback Arrestor set consists of one oxygen and one fuel gas flashback arrestor/check-valve. Internal stainless steel screen dissipates flashbacks before they can enter your gas hose. Built-in check valves prevent the reverse flow of gases. For use with CGA "B" 9/16"-18 fittings.Features Fits all major brands of gas welding & cutting torches using standard male "B" outlet fittings Built-in check valve prevents the reverse flow of gas Requires no manual reset Easy to install - attaches to standard "B" fittings High quality brass construction, case is rugged and corrosion resistant Sintered stainless steel filter stops flashback fire Color coded for easy identification UL Listed
