Full Face Flange Gasket, Gasket Material EPDM, Insert Material PTFE, For Pipe Size 1/2 in, For Flange ANSI Class 150, Binder Material None, Color Black, Inside Diameter 13/16 in, Minimum Operating Temperature -40 Degrees F, Maximum Operating Temperature 250 Degrees F, Outside Diameter 3 7/16 in, Thickness 5/64 in, Number of Bolt Holes 4, Bolt Hole Diameter 5/8 in, Gasket Type Full-Face Gasket, Metal Detectable Gasket No, Included Fasteners Not Applicable, Hardness Shore 95 to 100 A