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10 in 13 H-W 5 1/4 L Aluminum Backdraft Damper 10-1/2 in x 10-1/2 in Aluminum 3HHN4
13 In.H-W 5 1/4 In.L Aluminum Backdraft Damper Damper Application Backdraft For Nominal Duct Diameter Not Applicable Frame Material Aluminum Number of Panels 1 Maximum Air Velocity 2500 fpm Overall Height 13 in Rough Opening Diameter 10 1/2 in Rough...
$76.99 $64.75 Free Delivery