Usually Ships in 10 Business Days from manufacturer Lead times vary based on manufacturer stock Product Overview Patented airfoil system has 6 airfoils with cuffed winglets to maximize performance and efficiency Made of durable aluminum High-efficiency gearless direct-drive motor is energy-efficient and runs silently Easily adjust airflow with the variable speed controller Enjoy year-round energy savings in both hot and cold weather Shipping Restrictions Not eligible for expedited shipping UPC C