4 inches in diameter, this compression gasket is made from durable neoprene and complies with ASTM C564 standards. With a tensile strength of 1500 PSI, it provides a reliable seal for joining hub and spigot cast iron soil pipes and fittings. The one-piece design simplifies installation and ensures a tight fit, reducing the risk of leaks. This gasket is an essential component for maintaining the integrity of your plumbing system.