Sanitary Gasket, Gasket Material Buna-N, Connection/Fitting Type Tri-Clamp, For Tube Outside Diameter 4 in, Inside Diameter 3.9 in, Outside Diameter 4.5 in, Color Black, Outside Diameter Style Standard, X-Ray Detectable Not Rated, Minimum Operating Temperature -35 Degrees F, Maximum Operating Temperature 250 Degrees F, Mesh Size Not Applicable, Center Material Not Applicable, Center Construction None, Reinforced No, Metal Detectable No