Cross Section Width (in): 0.08 Cross Section Height (in): 0.5 Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image. Material Description: EPDM provides excellent performance in Coolant/Urea applications, and also works well in Air. Do not use in Engine Oil, Diesel Fuel, Hydraulic Oil, Automatic Transmission Fluid or Biodiesel. It has good abrasion and cut resistance. Material: EPDM - Ethylene Propylene Diene Modified Inside Diameter (in): 0.57