20 in 25"H-W 5.75"L Alu Wall Backdraft Dampr, 22-1/2 in x 22-1/2 in, Aluminum

20 in 25"H-W 5.75"L Alu Wall Backdraft Dampr, 22-1/2 in x 22-1/2 in, Aluminum

$91.49
$91.49
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20 in 25"H-W 5.75"L Alu Wall Backdraft Dampr, 22-1/2 in x 22-1/2 in, Aluminum
  • 20 in 25"H-W 5.75"L Alu Wall Backdraft Dampr, 22-1/2 in x 22-1/2 in, Aluminum
  • 20 in 25"H-W 5.75"L Alu Wall Backdraft Dampr, 22-1/2 in x 22-1/2 in, Aluminum
20 in 25"H-W 5.75"L Alu Wall Backdraft Dampr, 22-1/2 in x 22-1/2 in, Aluminum

20 in 25"H-W 5.75"L Alu Wall Backdraft Dampr, 22-1/2 in x 22-1/2 in, Aluminum

$91.49
$91.49
25 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 25 in, Rough Opening Diameter 22 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 20 in, For Duct Shape Not Applicable, Free Area 2.5 sq ft, Overall Width 25 in, Frame Material Thickness 20 ga, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in

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