RI150C, RI200C, RI250C RI500C, RI700C, RI900C

Self-cleaning, non-overloading wheel Engineered for quiet continuous operation making it perfect for general-purpose ventilation Low profile construction simplifies installation in those tight spaces Built with a well-balanced backward-curved motor impeller assembly that matches well with the housing to maximize airflow, and efficiency and minimize the noise level Formed and tooled by quality deep-stretch cold rolling  steel Suitable for use in high-rise condominium, office buildings, schools, boardrooms or where high volume quite ventilation is required Available for 4”, 5” and 6” duct sizes Mounting brackets are included.