Progress Lighting's P8367WL-28 is a 5" open shower light that covers irregular ceiling openings. It uses a 50W PAR-30 incandescent bulb for adequate lighting. It features a socket that mounts to the trim for optimum performance and consistent lamp position. Light doesn't leak around its trim flange. Progress Lighting has been committed to providing a diverse selection of high-quality lighting fixtures for over 100 years. This 5" Lensless Shower Light is of aluminum construction with a bright white finish. It features a positive upward spring action that forces the trim to fit snugly against the ceiling. With overall dimensions of 6 1/8" x 4 5/8", this Bright White Lighting Fixture is designed for a ceiling installation. Safety is ensured as this product garnered a certification from the UL-CUL, an independent product safety certification organization which is recognized nationally. It is listed for wet locations. This product is manufactured by Progress Lighting, a credible name in the lighting industry.