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DAYTON 3HHP1 54 in 57"H-W 5 1/4"L Aluminum Backdraft Damper, 54-1/2 in x 54-1/2
57 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 2, Maximum Air Velocity 2500 fpm, Overall Height 57 in, Rough Opening Diameter 54 1/2...
$576.99 Delivery: $null