The O-Ring .103X7/8 Viton from Watts Fluidair is engineered for high-performance sealing in demanding environments. Made from Viton, a premium elastomer known for its exceptional resistance to heat, chemicals, and aging, this O-ring ensures a reliable seal in various applications. With dimensions of .103 inches in cross-section and 7/8 inches in outer diameter, it fits perfectly in compatible fittings. Ideal for use in automotive, industrial, and HVAC systems, this O-ring meets stringent industry standards for quality and performance.