SPECIFICATIONS Duct Size: Intake 12.0 in, Outlet 8.0 in Air Movement: 250-500 cfm Filter System: 2 stage Primary Filter: HEPA filtration Pre-filter: standard paper, plus activated carbon Outlet: GFCI protected Power cord length: 25.0 ft Power: 3 amps, 115 V, 60 Hz Size (H x W x D): 24.6 x 26.2 x 18.2 in Weight: 44 lbs