Round Backdraft Dampers Now Available

Two round backdraft dampers, Models WDR-53 and SSWDR-53, from Greenheck can be installed horizontally for vertical up/down airflow or mounted vertically for horizontal airflow. Model WDR-53 features a galvanized steel frame with aluminum blade; Model SSWDR-53 is constructed with a 304 stainless steel frame and blade. Both models are available with an optional top frame extension. Models WDR-53 and SSWDR-53 are rated for velocities up to 2000 fpm and pressures up to 2-in. wg, in diameter sizes from 4-in. to 24-in.

Visit www.greenheck.com for additional information.

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