Series 6E00 Deflagration Flame Arrestor, End-Of-Line Version, ISO 16852 Certified; 2" Line Size, 4" Element, Explosion Group IIB3; Maximum Operating Pressure: 16 PSI Abs, Maximum Operating Temperature: =< 428 Deg. F; Stainless Steel Element And Rim Material - No Casing; Stainless Steel Hood; Stainless Steel Housing Material, NPT Connection; Without Ports; Stainless Steel Fasteners; Aluminum Name Plate / English Type; No Additional Surface Coating