08306-A Drum Vent, End of Drum Bung, Body Material Stainless Steel, Color Gray, For Drum Orientation Horizontal, For Liquid Type Petroleum, For Plug Size 2 in, Includes Flame Arrestor Yes, Minimum Opening Pressure 3 psi, Overall Height 2 in, Overall Width 5 in, Pipe Size 2 in, Thread Gender Male, Thread Type NPS, NPT, Vent Type Pressure & Vacuum Relief Vent, Includes Brass Cap with Safety Chain, Model no. 08211 9 in (229 mm) Wide Polyethylene Funnel, Maximum Opening Pressure 8 psi