Backdraft Damper, Vert/Horiz Mtg, 27 3/4Sq
Mfr # 3HHL7
Zoro # G2135865
product price: $101.99
/ea
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Key Features
Type
No Flange, Horizontal or Vertical Mount
Damper Size (In.)
27-3/4 x 27-3/4
Overall Size (In.)
27-3/4 x 27-3/4
Construction Material
G-90 Galvanized Steel Frame and Aluminum Blades
Outside Flange (In.)
27-3/4 x 27-3/4
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Product Information
MFR #
3HHL7
Zoro #
G2135865
UPC #
190735289549
Country of Origin
United States
Dimensions
Damper Size (In.)
27-3/4 x 27-3/4
Overall Size (In.)
27-3/4 x 27-3/4
Overall Width
27 3/4 in
Overall Length
4 1/2 in
Overall Height
27 3/4 in
Rough Opening Diameter
28 in
Frame Depth
2 in
Fits Fan Diameter
28 in
For Nominal Duct Diameter
28 in
Rough Opening Length
28 in
Rough Opening Width
28 in
Blade Material Thickness
26 ga
Frame Material Thickness
20 ga
Description
27.8 In.H-W 4.5 In.L Alu Spring Bkdrft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 28 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 27 3/4 in, Rough Opening Diameter 28 in, Rough Opening Shape Square, Fits Fan Diameter 28 in, For Duct Shape Square, Free Area 4.9 sq ft, Overall Width 27 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 28 in, Maximum Pressure 1 in wc
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