uxcell 16mm to 16mm Acetylene Gas Flashback Arrestor Check Valve HF-2 Product Name : Dry Flashback Arrestor;Main Color : Gold Tone;Mateiral : Plated Metal Medium : Acetylene Gas, Liquefied Petroleum Gas etc.;Working Pressure : 0.01 - 0.15 Mpa Flow Capacity : more than 3cubic meter/hour;Male Thread Size : 16mm/ 0.63" Female Thread Size : 16mm/ 0.63";Overall Size : 7 x 2.2cm/ 2.7" x 0.86" (L*Max. D) Net Weight : 98g;Package : 1 x Dry Flashback Arrestor