39 In.H-W 5 1/4 In.L SS Backdraft Dampr Damper Application Backdraft For Nominal Duct Diameter Not Applicable Frame Material Stainless Steel Number of Panels 2 Maximum Air Velocity 2500 fpm Overall Height 39 in Rough Opening Diameter 36 1/2 in Rough Opening Shape Square Fits Fan Diameter 36 in For Duct Shape Not Applicable Free Area 7.7 sq ft Overall Width 39 in Frame Material Thickness 0 in Overall Length 5 1/4 in Connection Type Not Applicable Frame Depth 2 inMRO4FZK1
| # | Attribute | Value |
|---|---|---|
| 1. | brand | DAYTON |




















