The RXE9875L-03-F 3 643E FSE RHR Grade 1 Mortise Exit Device is a heavy-duty commercial exit solution designed for fire-rated door applications. This 3FT fire-rated device features a request-to-exit electric mortise case with fail secure operation, making it ideal for access control and high-security environments. It includes a 996L-03 lever trim and is configured for right-hand reverse (RHR) doors. Built to Grade 1 standards for durability and performance, this exit device is suitable for high-traffic commercial and institutional applications. Mortise cylinder sold separately.