41.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 42 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 41 3/4 in, Rough Opening Diameter 42 in,...
RevType | 2 |
Manufacturer | DAYTON |
Sku | 6WRK7 |
Identity | 5997319066 |