Photo 1 of HG Power 12 Inch Attic Fan with Thermostat, 971 CFM Shutter Exhaust Fan with Smart Temperature Humidity Controller, Wall Mounted Greenhouse Fan with EC Motor for Garage, Shed Ventilation, Black

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Photo 1 of HG Power 12 Inch Attic Fan with Thermostat, 971 CFM Shutter Exhaust Fan with Smart Temperature Humidity Controller, Wall Mounted Greenhouse Fan with EC Motor for Garage, Shed Ventilation, Black