A 24-page catalog showcases the manufacturer’s line of heavy-duty and industrial dampers. Control, round control, isolation, backdraft, pressure relief, tunnel ventilation, smoke and blast, and bubble ...
Greenheck’s HB Series of Heavy Duty Industrial Backdraft Dampers includes the recently released HBR-150, a round industrial backdraft damper with a flanged-style frame. The HBR-150 is rated for ...
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