This Westinghouse Lighting Frosted Glass Diffuser provides a finishing touch to your decor. Featuring circular frosted glass, the diffuser offers a subtle textured appearance. Its low-profile design makes it suitable for low- and high-ceilinged rooms alike. This diffuser is suitable for a bathroom, bedroom, hallway, or other interior area. It measures 1-3/4 in deep by 13 in in diameter.