The ESC cleanroom exit sign series can be installed in recessed (ESCR) applications. The ESC ensures a strong seal to prevent the passage of particles in or out of fixture. The antimicrobial powder coat finish (or stainless steel finish) stand up to rigorous cleaning procedures. Suitable for use in cleanrooms, laboratories, food processing facilities, high-tech manufacturing settings, hospitals, commercial kitchens, vivarium settings, and areas where clean is critical.