Sanitary Gasket Gasket Material Buna-N Connection/Fitting Type Bevel Seat For Tube Outside Diameter 4 in Inside Diameter 3.7 in Outside Diameter 4.5 in Color Black Outside Diameter Style Standard X-Ray Detectable No Minimum Operating Temperature -30 Degrees F Maximum Operating Temperature 250 Degrees F Mesh Size Not Applicable Center Material Not Applicable Center Construction None Reinforced No Metal Detectable No