Weldmark FBK-100 Flashback Arrestor (Regulator Set) by Superior Products, 1 Set

Built-in check valve prevents reverse flow Fits all 9/16"-18, "B" size regulators and torches 100% factory flame and leak tested Made in the USA by Superior Products (makes Smith Equipment product) UL approved Flashback arrestors may be installed on many types of oxygen/fuel gas apparatus such as the outlets or inlets of torches. Flashback arrestors are designed with an internal element and check valve combination to extinguish a flame front inside the hose line in the event mixed gases ignite. Similar to (Smith H753)