18 in 21"H-W 6.5"L Extrd Alu Backdraft Dampr, 18-1/2 in x 18-1/2 in, Aluminum
Mfr # 4FZH5
Zoro # G0646904
product price:Â $129.99
/ea
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Key Features
Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
Extruded Aluminum Frame and Stainless Steel Tie Rods
Shutter Free Area
2.043 sq ft
Shutter Opening Required
18-1/2 in x 18-1/2 in
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Product Information
MFR #
4FZH5
Zoro #
G0646904
UPC #
190735324370
Country of Origin
United States
Dimensions
Shutter Overall Size
21 in x 21 in
Fits Fan Dia.
18 in
Frame Depth
3 in
Flange Width
1 1/2 in
Open Depth
6 1/4 in
Mounting Hole Size
Prepunched
Overall Length
6 1/2 in
Rough Opening Width
18.5 in
Overall Diameter
21 in
Mounting Hole Diameter
1/4 in
Rough Opening Length
18 1/2 in
Frame Opening Width
18 1/2 in
Overall Width
21 in
Frame Material Thickness
0.8 in
Overall Height
21 in
Fits Fan Diameter
18 in
Frame Opening Height
18 1/2 in
Blade Material Thickness
0.8 in
Rough Opening Diameter
18 1/2 in
Description
21 In.H-W 6.5 In.L Extrd Alu Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 3250 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 6 1/2 in, Connection Type Not Applicable, Frame Depth 3 in
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