DES-FD
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DES-FD
Duct extension for fire damper
FDS Compatible
Lightweight
Easy installation
Two options
FDS Compatible
The DES-FD duct extension is compatible with FDS fire dampers. It covers both blade overhangs for the complete range of FD rectangular sizes.
Two Options
The duct extension is available in two options. One connects to one size for smaller dimensions. The other is made of two parts and connected on both sides of the damper.
Lightweight
The DES-FD duct extension is lightweight and easy to install.