Backdraft Damper, Horizontal, 39-3/4Sq
Mfr # 3HHN2
Zoro # G2920915
product price: $181.99
/ea
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Key Features
Type
No Flange, Horizontal Mount
Damper Size (In.)
39-3/4 x 39-3/4
Overall Size (In.)
39-3/4 x 39-3/4
Includes
Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
Max. Velocity (FPM)
2,000 fpm
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Product Information
MFR #
3HHN2
Zoro #
G2920915
UPC #
190735289587
Country of Origin
United States
Dimensions
Damper Size (In.)
39-3/4 x 39-3/4
Overall Size (In.)
39-3/4 x 39-3/4
Overall Width
39 3/4 in
Overall Length
4 1/2 in
Overall Height
39 3/4 in
Frame Depth
2 in
Blade Material Thickness
26 ga
Rough Opening Diameter
40 in
Rough Opening Length
40 in
Frame Material Thickness
20 ga
Rough Opening Width
40 in
For Nominal Duct Diameter
40 in
Fits Fan Diameter
40 in
Description
39.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 40 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 39 3/4 in, Rough Opening Diameter 40 in, Rough Opening Shape Square, Fits Fan Diameter 40 in, For Duct Shape Square, Free Area 10.2 sq ft, Overall Width 39 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 40 in
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