The 8- to 24-foot-diameter Powerfoil X from the Big Ass Fan Co. is an advanced, durable and adaptable industrial fan. Powerfoil X sets the standard for maximum airflow while delivering energy savings year-round in thousands of government facilities. Powerfoil X features the long-lasting NitroSeal Drive custom gearbox and is backed by a non-prorated 10-year warranty. GSA contract # GS-07F-0188W.

Big Ass Fans, Lexington, Ky.
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From grounds maintenance equipment to utility markers and everything in between, this month's advertisers offer a wide range of useful products. For more information, circle the corresponding number on the reader service card, or visit