This model is a scale model of an industrial heater model FX16 either stand alone, ceiling mounted, wall mounted. These heaters are common in extreme cold environments such as work sites open to winter air or environment in exposed situations. These heaters are also used near front doors and other openings (entries and exits) where large doors or garage and loading platforms open to exterior cold environments. They are usually mounted to walls or ceilings. This model product includes all options of standalone (so you can add your own mounting) or wall mounted or ceiling mounted. This model is extremely detailed and is ready for your use in an engineering design. Model is built to us standard dimensions and is scale. The model was originally built in AutoCAD version 2004 and is available here in AutoCAD, 3ds, dxf, and 3ds Max.