Available in 10, 12, and 14 in. sizes with airflow capacity up to 1,460 cfm, DSF Destratification Fans mix air in large spaces with ceilings 15 ft or higher, including grocery stores, warehouses, and distribution centers. Axial flow fans are equipped with permanently lubricated ball bearing motors for maintenance-free operation. Housed in steel with corrosion-resistant finish, 120 V/60 Hz fans offer automatic reset, thermal overload protection, and optional solid state speed control.