uxcell HF-2 Oxygen Welding Cutting Torch Hose Acetylene Flashback Arrestors Product Name : Flashback Arrestor;Type : Dry;Applied Gas : Acetylene Working Pressure : 0.01MPa-0.15MPa;Female Thread Sizs : M15 Male Thread Sizs : M15; Pitch:1.5mm; Total Size : 20 x 62mm / 0.8" x 2.4" (D*L) Material : Copper;Color : Copper Tone Net Weight : 72g;Package Content : 1 x Flashback Arrestor