- Designed for through-the-wall, low static pressure ventilation of stores, offices, factories, shops and farm buildings
- Heavy-duty guards have corrosion-resistant gray polyester coating
- 7" to 24" diameter aluminum blade propellers; 30" and 36" diameter galvanized steel blade propellers; 7" to 24" diameter are speed controllable
- Totally enclosed sleeve or ball bearing 115V, 60 Hz motors
- Guards comply with OSHA regulations
- Shipped completely assembled with automatic shutters
