The Dichtomatik OR 4.350" 0.275" 75 EPDM E750FM by Freudenberg-NOK is a reliable O-ring designed for industrial sealing applications. Constructed from high-quality EPDM, it offers excellent resistance to heat, ozone, and various chemicals. With an outer diameter of 4.350 inches and a cross-section of 0.275 inches, this O-ring is suitable for a variety of hydraulic and pneumatic systems. The 75 durometer hardness ensures durability while maintaining flexibility, making it an excellent choice for high-pressure environments. This product meets industry standards, ensuring compatibility and reliability.