UL Rated Fire, Smoke and Ceiling Radiation Dampers

Wood Truss Systems

Steel Outlet Box
Insulated Outlet Box
CFD-521-BT Ins. Outlet Box
Duct Board Outlet Box
CFD-521-IP Duct Board Outlet Box
CFD-521-NP Field Installed Ins. Duct Board Outlet Box
90° Plenum
CFD-521-90 90° Plenum - Butterfly Style Blade
CFD-521-NP90 field installed 90° Plenum - Butterfly Style Blade