12-inch-tall, stainless steel duct cover for use with select 48-inch-wide, 42-inch-wide, 36-inch-wide, 30-inch-wide, 54-inch-wide and 42-inch-wide range hoods. This duct cover extends the range hood height and encloses the space from the top of your hood to the ceiling or soffit. It also provides a clean, finished look.