The Freudenberg-NOK EPDM O-Ring, with a diameter of 4.350 inches and a thickness of 0.210 inches, is engineered for effective sealing in diverse applications. This E750FM model features a hardness of 75 Duro, providing excellent resistance to heat, ozone, and various chemicals. Its precise dimensions ensure a snug fit in multiple systems, preventing leaks and contamination. Compliant with industry standards, this O-Ring is an essential component for professionals seeking reliable and durable sealing solutions in their operations.