Full Face Flange Gasket, Gasket Material PTFE, Insert Material None, For Pipe Size 3 in, For Flange ANSI Class 150, Binder Material None, Color White, Inside Diameter 3 1/2 in, Minimum Operating Temperature -450 Degrees F, Maximum Operating Temperature 500 Degrees F, Outside Diameter 7 1/2 in, Thickness 1/8 in, Number of Bolt Holes 4, Bolt Hole Diameter 3/4 in, Gasket Type Full-Face Gasket, Metal Detectable Gasket No, Included Fasteners Not Applicable, Hardness Not Rated