Full Face Flange Gasket, Gasket Material PTFE, Insert Material None, For Pipe Size 12 in, For Flange ANSI Class 150, Binder Material None, Color White, Inside Diameter 12 3/4 in, Minimum Operating Temperature -450 Degrees F, Maximum Operating Temperature 500 Degrees F, Outside Diameter 19 in, Thickness 1/8 in, Number of Bolt Holes 12, Bolt Hole Diameter 1 in, Gasket Type Full-Face Gasket, Metal Detectable Gasket No, Included Fasteners Not Applicable, Hardness Not Rated