Industrial Air Scrubber, Variable Speed Thermally Protected Motor, HP 1/2 hp, Voltage 115 V AC, 3 A Amps, Height 21 in, Length 22 in, Width 22 in, Air Flow with Filter 250 to 750 cfm, Air Flow without Filter 700 cfm, Filtration , Main Filter Size 16 in x 16 in x 3 in, Prefilter Size 16 in x 16 in x 2 in, Prefilter Type Pleated, Discharge Dia. 12 in, Air Inlet 10 in, Decibels 51, Vacuum Gauge Yes, Construction Polyethylene, Net Weight 45 lb