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DAYTON 4FZH5 18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in
21 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 21 in, Rough Opening Diameter 18 1/2 in,...
$123.99 Delivery: $null
