mpn
4FZJ7
brand
name: Dayton
manufacturer
name: Dayton
Attributes
Key
Value
Blade Material
Stainless steel
Fits Fan Dia.
20 in
Fits Fan Diameter
20 in
Flange Width
1 1/2 in
For Nominal Duct Diamet.
Not Applicable
Frame Depth
2 in
Frame Opening Height
20 in
Frame Opening Width
20 in
Item
Wall Backdraft Damper
Mounting Hole Size
Prepunched
Open Depth
5 3/4 in
Overall Diameter
23 in
Overall Height
23 in
Overall Length
5 1/4 in
Overall Width
23 in
Rough Opening Diameter
20 1/2 in
Rough Opening Length
20 1/2 in
Rough Opening Width
20.5 in
Shutter Construction Ma.
Stainless Steel Frame a.
Shutter Free Area
2.281 sq ft
Shutter Mounting Locati.
Wall
Shutter Mounting Positi.
Vertical
Shutter Opening Required
20-1/2 in x 20-1/2 in
Shutter Overall Size
23 in x 23 in