This product has a structural steel frame, steel curb with mounting flange, and is shipped fully assembled.

Said to be the only Miami-Dade County-tested severe-duty louver enclosure on the market, the product has a structural steel frame, steel curb with mounting flange, and is shipped fully assembled. It protects various Greenheck-powered rooftop ventilators or acts as an intake/exhaust penthouse for roof penetrations. It incorporates the company's ESD-603D louver.

Greenheck Fan Corp., P.O. Box 410, Schofield, WI 54476-0410; (715) 359-6171; fax (715) 355-2399.

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