Abatement Technologies HEPA-AIRE Series Negative Air Machines H1990MThe Abatement **HEPA AIRE Series H1990M** Negative Air Machine is engineered for high performance air cleaning, with dual speed settings of 1,600 CFM (High) and 1,050 CFM (Low). Equipped with a deep 99. 97% certified HEPA filter, this machine captures airborne contaminants as small as 0. 3 microns, making it ideal for improving indoor air quality in demanding environments. With a robust yet lightweight design, the H1990M weighs only 125 pounds