Description Harris® Safety Flashback Arrestor Pack • Thermal Cut Off • Oxygen & Fuel • Normal Flow • 2 Regulator End Flashback Arrestors • 2 Torch End Flashback Arrestors • 5/8" Inlet & Outlet Connection • The gas non-return valve prevents leakage or the sudden return of air or oxygen in the distribution line or single cylinders. • Extinguish flashback fire with sintered metal filter • Prevent reverse flow of gases with built-in check valve • Complies To AS4603
