$1,085
$1,085
21 In.H-W 5 1/4 In.L Aluminum Backdraft Damper Damper Application Backdraft For Nominal Duct Diameter Not Applicable Frame Material Aluminum Number of Panels 1 Maximum Air Velocity 2500 fpm Overall Height 21 in Rough Opening Diameter 18 1/2 in Rough Opening Shape Square Fits Fan Diameter 18 in For Duct Shape Not Applicable Free Area 2 sq ft Overall Width 21 in Frame Material Thickness 0.8 in Overall Length 5 1/4 in Connection Type Not Applicable Frame Depth 3 inMRO3HHN7
| # | Attribute | Value |
|---|---|---|
| 1. | brand | DAYTON |

