Opening/closing damper prevents outside elements from entering the vent. Damper is spring loaded to keep damper closed when not in use. For 3-1/4 In. x 10 In. duct. Damper spring controlled. Aluminum. Mill finish.
| SKU | 260932 | UPC | 039899001065 |
| Weight | 1.15 | Model Number | 106R |
| Brand | Lambro |