• Size: 38mm outer diameter, 34mm inner diameter, 2mm cross-sectional diameter. • Hardness: 70A Durometer for high penetration resistance. • Material: Nitrile butadiene rubber with a temperature range of -20 °C to 100 °C. • Applications: Ideal for pressure washers, filters, pumps, water hoses, plumbing pipes, garage and mechanical maintenance. • Properties: High resistance to wear and many petroleum oils, greases, and hydraulic fluids. • Warnings: Do not use in electric motors that generate ozone, welding equipment, or applications with exposure to ultraviolet light. • Installation Instructions: Use a burr-free installation mandrel, apply lubricating oil, and use auxiliary tools for proper positioning.