The Topog-E 3 ID x 4 OD -R GASKET is a reliable sealing solution designed for various industrial applications. With an inner diameter of 3 inches and an outer diameter of 4 inches, this gasket fits standard flanged connections, ensuring a tight seal. Constructed from durable materials, it offers excellent resistance to chemicals and temperature variations, making it suitable for demanding environments. Ideal for use in piping systems and HVAC applications, this gasket meets industry standards, providing peace of mind for contractors and engineers.