Heavy-duty, double-flanged, channel frame-style backdraft tornado dampers are designed to protect against tornados and rapid pressure changes. Installed in ductwork or wall mounted near the exterior ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback