Seal/O-Ring Type: Split Inside Diameter (in): 0.83 Material: PTFE - Polytetrafluoroethylene Cross Section Width (in): 0.05 Material Description: PTFE provides superior performance in Air, Engine Oil, Diesel Fuel and Coolant applications, but is sensitive to installation damage and debris. It works well at very high temperatures. Cross Section Height (in): 0.08 Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.