Full Face Flange Gasket Gasket Material Neoprene Insert Material None For Pipe Size 2 1/2 in For Flange ANSI Class 300 Binder Material None Color Black Inside Diameter 2 7/8 in Minimum Operating Temperature -30 Degrees F Maximum Operating Temperature 250 Degrees F Outside Diameter 7 1/2 in Thickness 1/8 in Number of Bolt Holes 8 Bolt Hole Diameter 7/8 in Gasket Type Full-Face Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Hardness Shore 60A