The BlowBeast is the pinnacle of portable negative air equipment. Built with maximum power, maneuverability, and ease of use in mind. No other negative air machine even compares. The portability and removable pod of the BlowBeast Negative Air Machine is unlike any negative air equipment on the market. Easily and efficiently remove airborne dust and pollutants from any air duct system. In some situations, you just need more power. The BlowBeast allows you to handle any jobs from the smallest residential to the largest commercial job.