This high-power, multi-purpose blower is the perfect choice for pushing air through our 24x18, 24x24 and 24x36 inch HEPA filters. Dual-voltage power supply operates at either 115 or 230V. Delivers 1,040 CFM at .8" static pressure. Draws 4.8/2.5 amps @115V or 7.3/3.7 amps @ 230V.