AMD-33Greenheck has added Quick Response (QR) codes to the labels on its life safety dampers, control and air measuring dampers. Life safety dampers include ceiling radiation dampers, fire dampers, smoke dampers, and combination fire smoke dampers. When the QR code is scanned with a smartphone, it links to <a href="http://www.greenheck.com">www.greenheck.com</a> based on the model to provide instant access to product specifications, submittals, instruction manuals, installation videos and ...This story is related to the following:Fire Dampers | Ceiling Dampers