[M67] The Smokemaster M67 is a self-contained multi-stage media air cleaning system / industrial air filter designed for general background cleaning of dust, smoke, soot or other airborne particulate. The M67 industrial air filter is a good choice for light duty applications such as sanding, buffing, welding or autmotive refinishing at a rate of up to 1980 cfm. -Abbreviated Specifications- For the M67 Industrial Air Filter (download PDF at bottom for full specifications) Cabinet: 18-gauge steel cabinet with a black epoxy paint finish. Power Input: 110-120 Vac, 1 Phase, 8.0 amps 208-240 Vac, 1 Phase, 4.0 amps Motor: Heavy-duty ξ HP, 3 speed motor with sealed ball bearings. Blower: Direct drive, forward curved Airflow: Up to 2000 cfm Pre-filter - 24" x 24" x 2" 35% pleated media Primary filter - Cube or bag filters range efficiencies from 35% to 95% Filtration: Warranty: 36 Month Parts Related Files: M67 Industrial Air Filter Data Sheet > Ana l size="-1">