Vevor 20 Inch Shutter Exhaust Fan, Wall Mounted Attic Vent Fan With Variable Speed Controller, 3000 Cfm, Ac Motor, Heavy-Duty Steel, Low Noise For She

VEVOR 20 inch Shutter Exhaust Fan, Wall Mounted Attic Vent Fan with Variable Speed Controller, 3000 CFM, AC Motor, Heavy-duty Steel, Low Noise for Shed, Garage, Greenhouse Ventilation Cooling, Black Electrostatic Powder Coating Twisted Fan Blades Durable and Designed to Withstand Various Weather Conditions Durable and Sturdy Construction Versatile Installation Options Wide Compatibility Airflow: 3000 CFM,Noise Level: ≤70 dB(A),Air Speed: 8.8 m/s,Temperature Rise: ≤70K,Item Model Number: AMX-FAGAC20,Item Dimensions: 23.03 x 23.03 x 8.54 in / 585 x 585 x 217 mm,Louver Opening Angle: ≥50-Degree,Net Weight: 15.21 lbs / 6.9 kg,Power: 157W,RPM: 1480 RPM,Main Material: Q235B Carbon Steel,Rated Voltage: AC 120V 60Hz