The Freudenberg-NOK 3.725" 0.210" 70 VMQ O-Ring is a high-quality sealing solution made from VMQ (silicone rubber). This O-ring features a hardness rating of 70, providing excellent sealing capabilities in various applications. With an outer diameter of 3.725" and a cross-section of 0.210", it is designed to fit standard connections seamlessly. This O-ring is ideal for use in automotive, industrial, and HVAC systems, offering resistance to temperature fluctuations and chemical exposure, while meeting industry standards for reliability.