The Heavy Duty Air Circulator comes standard with highly polished aluminum airfoil propellers. According to the company, these propellers provide high efficiency, low noise levels and an ideal air-velocity profile for circulating and cooling. A complete selection of mounting accessories is also available.

Airmaster Fan Co., 1300 Falahee Road, Jackson, MI 49203; (517) 764-2300; fax (517) 764-3838; www.airmasterfan.com