Material: FKM - Fluoroelastomer Coating: None Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image. Material Description: FKM provides superior performance in most applications, including Air, Engine Oil, Diesel Fuel, Hydraulic Oil, Automatic Transmission Fluid and Biodiesel. Most FKM formulations should not be used with Coolant/Urea. FKM is effective in high temperatures, and has good abrasion and cut resistance. Dash Size (in): 906 Inside Diameter (in): 0.47 Cross Section Diameter (in): 0.08