Spiral Wound Flange Gasket, For Flange ANSI Class 150, For Pipe Size 8 in, Inside Diameter 8 1/2 in, Outside Diameter 11 in, Thickness 3/16 in, Rim Stripe Color Gray, Outside Rim Color Green, Filler Material Graphite, Outer Ring Material Carbon Steel, Minimum Operating Temperature -400 Degrees F, Maximum Operating Temperature 842 Degrees F, Spiral Winding Material Stainless Steel, Spiral Winding Stainless Steel Grade 316L, Inner Ring Material Stainless Steel