The shuttered wall mounted exhaust fan is probably the most popular of the wall exhaust fan family, due to its easy install and high performance, multiple applications and relatively low cost. The shuttered and louvered wall mount fan comes in either a direct drive or belt drive version. These shuttered wall mounted fans are typically available in single or 1 speed, two speed, three speed and variable speed, and some come with cords and plugs, but most often these units are designed for hard wiring to your electrical system. Industrial Fans Direct offers several controls for these fans, such as a: 2 speed switch, variable speed control and thermostats controls. Applications for the shuttered wall mounted exhaust fan include: workshops, garages, parking garages, warehouses, convenient stores, welding shops, schools, hospitals, and barns and some are suited for thru the wall applications. We carry many of the top manufacturers and brands - Canarm, Ltd., TPI Coporation, National Fan Co., Ventamatic, Ltd., J&D Manufacturing, VES Environmental, Triangle Engineering, Schaefer Ventilation and Vosterman's Multifan. Explosion proof versions of these wall mount exhaust fans are available for areas where hazardous, ignitable or flammable gases, fumes or dust may be present.