Ring Flange Gasket Gasket Material SBR For Pipe Size 1 in Color Black Inside Diameter 1 5/16 in Minimum Operating Temperature -40 Degrees F Maximum Operating Temperature 140 Degrees F Outside Diameter 1 9/16 in Thickness 1/8 in Gasket Type Ring Gasket Metal Detectable Gasket No Included Fasteners Not Applicable Includes Mounting Hardware No X-Ray Detectable Not Applicable Standards ASTM FDA Approved No