Ring Flange Gasket, Gasket Material PTFE, Insert Material Rigid PTFE, For Pipe Size 8 in, For Flange ANSI Class 150, Binder Material None, Color White, Inside Diameter 8 5/8 in, Minimum Operating Temperature -450 Degrees F, Maximum Operating Temperature 500 Degrees F, Outside Diameter 11 in, Thickness 1/8 in, Gasket Type Ring Gasket, Metal Detectable Gasket No, Included Fasteners Not Applicable, Hardness Not Rated, Includes Mounting Hardware No, X-Ray Detectable No