The Grainger 14C440 is a 14-inch diameter, 440 CFM, direct drive exhaust fan. It features a thermally protected PSC motor and is designed for general ventilation applications. The fan has a galvanized steel housing with baked enamel finish and includes adjustable motor mounts. It requires 115V power and is ETL listed for safety. With a max RPM of 1075, this exhaust fan can provide substantial airflow for ventilation needs. The 14C440 would work well for exhausting air from commercial or industrial settings.