Ceiling Radiation Damper Properties
Frame Shape
Insulation
Damper Sizing
Max Single Panel Size
![](/tools\uss\Louvers & Dampers\20 [Ceiling Radiation Dampers]\02 [Uninsulated]\01 [L89]\thumb_LD - L89.png)
Model: L89
Frame Type: Uninsulated Rectangular Frame
Material: Galvanized Steel
Max Panel Size: 18" x 10"
![](/tools\uss\Louvers & Dampers\20 [Ceiling Radiation Dampers]\01 [Insulated]\01 [L91]\thumb_LD - L91.png)
Model: L91
Frame Type: Insulated Rectangular Frame
Material: Galvanized Steel
Max Panel Size: 18" x 18"
![](/tools\uss\Louvers & Dampers\20 [Ceiling Radiation Dampers]\01 [Insulated]\02 [L93]\thumb_LD - L93.png)
Model: L93
Frame Type: Insulated Rectangular Frame
Material: Galvanized Steel
Max Panel Size: 24" x 24"
![](/tools\uss\Louvers & Dampers\20 [Ceiling Radiation Dampers]\02 [Uninsulated]\02 [L95]\thumb_LD - L95.png)
Model: L95
Frame Type: Uninsulated Round Frame
Material: Galvanized Steel
Max Panel Size: 11" dia.
![](/tools\uss\Louvers & Dampers\20 [Ceiling Radiation Dampers]\01 [Insulated]\03 [L97]\thumb_LD - L97.png)
Model: L97
Frame Type: Insulated Round Frame
Material: Galvanized Steel
Max Panel Size: 20" dia.