Ring Flange Gasket, Gasket Material Aramid, Insert Material None, For Pipe Size 6 in, For Flange ANSI Class 150, Binder Material Buna-N, Color Blue, Inside Diameter 6 5/8 in, Minimum Operating Temperature -100 Degrees F, Maximum Operating Temperature 400 Degrees F, Outside Diameter 8 3/4 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 This product contains a chemical that is regulated under California Proposition 65. Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. -