Positive/Negative Pressure Ventilator

This is the most powerful 16″ fan in the industry. It can easily be used for both negative and positive pressure ventilation. Running at 3500 rpm, it has the power to force or pull air deep into a structure or underground vault. Perfect for the department that wants a powerful fan for negative, positive pressure, or large confined space ventilation. Requires a 20 amp circuit to start and run.