The Broan® SurfaceShield™ LED upgrade cover kills viruses, prevents mold, bacteria and fungi growth on surfaces in your bathroom or other humidity prone environment. SurfaceShield™ with Vyv™ anti-microbial light technology combined with Broan®'s powerful ventilation offers effective protection against bacteria, mold and fungi growth in your home. There are two lighting modes in the SurfaceShield™ LED light, an everyday white light perfect for task lighting and the SurfaceShield™ continuous anti-microbial mode. Also included is our NEW CleanCover™, which stays cleaner longer with less louvers for dust and dirt to get trapped in. This upgrade cover is compatible with any Broan® or NuTone® InVent™, Roomside and Flex Series fan with a light (model 791LEDM, 791LEDNTM and all model numbers starting with A).