VEVOR Shutter Exhaust Fan, 356 mm / 14inch with Temperature Humidity Controller, EC-motor, 1024 CFM, Variable Speed Adjustable Wall Mount Attic Fan, Ventilation and Cooling for Greenhouses, Garages, Sheds free-shipping 100% cotton front and back

100% cotton front and back with 120GSM polyester filling for breathability

Single size: 91 x 190 + 35 cm drop

Black metal handles for easy access

Durable construction withstands outdoor weather

a lithium button battery can cause severe or fatal injuries within 2 hours

VEVOR Shutter Exhaust Fan, 356 mm / 14inch with Temperature Humidity Controller, EC-motor, 1024 CFM, Variable Speed Adjustable Wall Mount Attic Fan, Ventilation and Cooling for Greenhouses, Garages, Sheds free-shipping 100% cotton front and backThis exhaust fan efficiently removes hot, humid air from your home or workspace while using minimal energy, helping you maintain comfortable indoor conditions year round. The durable all metal construction and upgraded motor ensure reliable long term performance, even in harsh weather, while the automatic winter shutdown helps preserve your heating. 1024 CFM airflow capacity with variable speed control All metal construction including louvers, mesh