VEVOR 12 inch Shutter Exhaust Fan, Wall Mounted Attic Vent Fan with Smart Programming Variable Speed Temperature Control, 1500 CFM,EC Motor,Timer, for Shed,Garage,Greenhouse Ventilation Cooling,Black

VEVOR 12 inch Shutter Exhaust Fan, Wall Mounted Attic Vent Fan with Smart Programming Variable Speed Temperature Control, 1500 CFM,EC Motor,Timer, for Shed,Garage,Greenhouse Ventilation Cooling,BlackElectrostatic CoatingSpiral Fan BladesWeather-Resistant BuildRobust HousingFlexible MountingBroad CompatibilityAirflow: 1500 CFM,Noise Level: ≤67 dB(A),Air Speed: 8.8 m/s,Temperature Rise: ≤70K,Item Model Number: HA-300ME,Item Dimensions: 14.57 x 14.57 x 7.28 in / 370 x 370 x 185 mm,Louver Opening Angle: ≥50-Degree,Net Weight: 9.26 lbs / 4.2 kg,Power: 50W,RPM: 1500 RPM,Main Material: Q235B Carbon Steel,Rated Voltage: 100-240V～ 50/60Hz