Aluminum Construction for Base and Louvers
Water and Snow Baffles on Extruded Louvers for Added Weather Protection
Reinforced Hoods to enhance Rigidity and Resistance to High Winds
Removable Hood

Aluminum Construction for Base and Hood
Model EV features 1 to 1 Ratio and Hood Perimeter Opening to Throat Area
Model IV features 2 to 1 Ratio and Hood Perimeter Opening to Throat Area

Spun Aluminum for aesthetics and weight reduction.
Roof or Wall Mountable.
Curb Mountable.
Built in Bird Screen.

Galvanized Steel construction.
Roof or Wall Mountable.
Curb Mountable.
Built in Bird Screen.

Two full size access doors provide easy access to the wheel and motor
Wheels are backward inclined, non-overloading
Speed Control allows for field adjustment and system balancing