Model CBF Transfer Fan is designed for use in ventilating applications with space constraints. The fan’s propeller, venturi, and motor design combine to produce low sound levels with minimal restriction to airflow, making it ideal for ventilating equipment rooms, and plumbing and electrical chases, says the company. Using furnished mounting flanges and a powder-coated steel grille, a fan can be mounted in any wall construction; the fan is designed to fit in place of a standard 16- by 8-in. concrete block. It provides up to 500 cfm and up to 0.4 in. wg of static pressure.

Greenheck, P.O. Box 410, Schofield, WI 54476-0410; 715-359-6171; 715-355-2399 (fax); www.greenheck.com (website).

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