Moffitt Corporation Hooded Roof Fans are one of our most highly used and flexible product lines available. Fans are used in both industrial and commercial applications. These fans can be adapted, with the use of roof curbs, to any roof pitch imaginable. Many different materials of construction and propeller options provide Moffitt the ability to meet virtually any capacity considerations given. Moffitt also manufactures to meet specialty components and dimensional requests. Sizes available range from 12" thru 120". This ability offers you supply flexibility unmatched by any other fan supplier.