The Grainger 14M549 is a 14-inch diameter, 549 CFM, 115V, 1/3 HP direct drive exhaust fan. It features a galvanized steel housing with baked enamel finish, backward inclined aluminum blades, permanently lubricated sealed ball bearings, and includes mounting brackets for horizontal or vertical mounting. This exhaust fan is suitable for commercial and industrial applications such as ventilation for warehouses, manufacturing facilities, kitchens, bathrooms, and more. With a maximum temperature rating of 104°F, it can withstand hot and humid environments. The 14M549 operates at 3450 RPM and weighs approximately 26 lbs.