Air Scrubber, Variable Speed Thermally Protected Motor, HP 1 1/2 hp, Voltage 115V AC, 9 A Amps, Height 29 in, Length 34 in, Width 20 in, Air Flow with HEPA Filter 300 to 1900 cfm, Air Flow without HEPA Filter 250 to 2000 cfm, Filtration HEPA, Main Filter Size 24 in x 18 in x 12 in, Prefilter Size 26 in x 20 in x 2 in, Prefilter Type Polypad, Discharge Dia. 12 in, Decibels 70, Vacuum Gauge 0 to 5 in wc, Construction Polished Aluminum, Net Weight 11 lb