Attributes

Key Value
Fits Fan Dia.48 in
Fits Fan Diameter48 in
Flange Type & WidthRear Flange - 1 1/2 in .
Flange Width1 1/2 in
For Nominal Duct Diamet.Not Applicable
Frame Depth3 in
Frame Opening Height48 1/2 in
Frame Opening Width48 1/2 in
ItemWall Backdraft Damper
Mounting Hole Diameter1/4 in
Mounting Hole SizePrepunched
Open Depth6 1/4 in
Overall Diameter51 in
Overall H x W51 in x 51 in
Overall Height51 in
Overall Length6 1/2 in
Overall Width51 in
Rough Opening Diameter48 1/2 in
Rough Opening Length48 1/2 in
Rough Opening Width48.5 in
Shutter Construction Ma.Extruded Aluminum Frame.
Shutter Mounting Locati.Wall
Shutter Mounting Positi.Vertical
Shutter Overall Size51 in x 51 in
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