Ceiling Radiation Damper Properties
Frame Shape
Insulation
Damper Sizing
Max Single Panel Size
![](/tools\uss\Air Balance\20 [Ceiling Radiation Dampers]\02 [Uninsulated]\01 [289]\thumb_Air Balance - 289.png)
Model: 289
Frame Type: Uninsulated Rectangular Frame
Material: Galvanized Steel
Max Panel Size: 18" x 10"
![](/tools\uss\Air Balance\20 [Ceiling Radiation Dampers]\01 [Insulated]\01 [291]\thumb_Air Balance - 291.png)
Model: 291
Frame Type: Insulated Rectangular Frame
Material: Galvanized Steel
Max Panel Size: 18" x 18"
![](/tools\uss\Air Balance\20 [Ceiling Radiation Dampers]\01 [Insulated]\02 [293]\thumb_Air Balance - 293.png)
Model: 293
Frame Type: Insulated Rectangular Frame
Material: Galvanized Steel
Max Panel Size: 24" x 24"
![](/tools\uss\Air Balance\20 [Ceiling Radiation Dampers]\02 [Uninsulated]\02 [295]\thumb_Air Balance - 295.png)
Model: 295
Frame Type: Uninsulated Round Frame
Material: Galvanized Steel
Max Panel Size: 11" dia.
![](/tools\uss\Air Balance\20 [Ceiling Radiation Dampers]\01 [Insulated]\03 [297]\thumb_Air Balance - 297.png)
Model: 297
Frame Type: Insulated Round Frame
Material: Galvanized Steel
Max Panel Size: 20" dia.