20 in 23"H-W 6.5"L Extrd Alu Backdraft Dampr, 20-1/2 in x 20-1/2 in, Aluminum

20 in 23"H-W 6.5"L Extrd Alu Backdraft Dampr, 20-1/2 in x 20-1/2 in, Aluminum

$140.99
$140.99
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20 in 23"H-W 6.5"L Extrd Alu Backdraft Dampr, 20-1/2 in x 20-1/2 in, Aluminum
  • 20 in 23"H-W 6.5"L Extrd Alu Backdraft Dampr, 20-1/2 in x 20-1/2 in, Aluminum
  • 20 in 23"H-W 6.5"L Extrd Alu Backdraft Dampr, 20-1/2 in x 20-1/2 in, Aluminum
20 in 23"H-W 6.5"L Extrd Alu Backdraft Dampr, 20-1/2 in x 20-1/2 in, Aluminum

20 in 23"H-W 6.5"L Extrd Alu Backdraft Dampr, 20-1/2 in x 20-1/2 in, Aluminum

$140.99
$140.99
23 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 23 in, Rough Opening Diameter 20 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 20 in, For Duct Shape Not Applicable, Free Area 2.4 sq ft, Overall Width 23 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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