ESB1342 Features: * Price Is For One Pair -Minimum Order Of 1 * These Hose Line Flash Arrestors When Attached To Torch Handles With B-Size Inlets, Will Actually Stop Flashback. * ESAB * Also Designed To Stop Reverse Flow Of Gasses; Should Be Left In Place When Hose Is Detached. * These valves ARE NOT designed to stop a flashback. * UNSPC CODE: 40141600 * Check Valves & Flash Arrestors * FLASH ARRESTOR OXY/ACET