Abatement Technologies BULLDOG Series Negative Air Machine BD2KMThe Abatement BULLDOG Series Negative Air Machine BD2KM is engineered to deliver powerful airflow and superior air filtration, providing exceptional performance for contractors and air quality professionals. Capable of airflow rates of 1,300 cfm (Low) and 2,000 cfm (High), this machine efficiently removes airborne contaminants with its three stage filtration system, including a True HEPA filter that captures 99. 97% of particles at 0. 3 microns. Its