If the night curtain on your Avantco BCAC-48 air curtain merchandiser is broken or no longer working properly, be sure to replace it immediately with this Avantco night curtain! This curtain reduces wasted energy and keeps food cold during overnight hours. it is designed to cover most of the front of your air curtain merchandiser so that you don't need to worry about cold air escaping during off hours. It also helps to make sure your food stays cold between shifts.