Broan 690 is a bathroom fan upgrade kit designed to provide efficient ventilation for your bathroom. It effectively removes moisture, odors, and pollutants from the air, helping to maintain a healthier and more comfortable environment. The kit includes a new motor and impeller assembly, a grille, and a scroll band. It is compatible with various Broan fan models, making it a versatile and convenient upgrade option. The installation process is straightforward, requiring you to disconnect the power supply, remove the existing fan, and install the new components.