Dayton 5NKN8 - Damper,Horizontal,60 In Sq
Dayton 5NKN8 - Damper,Horizontal,60 In Sq
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59.5 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter 60 in, Frame Material Galvanized Steel, Number of Panels 2, Maximum Air Velocity 2000 fpm, Overall Height 59 1/2 in, Rough Opening Diameter 60 in, Rough Opening Shape Square, Fits Fan Diameter 60 in, For Duct Shape Square, Free Area 21.9 sq ft, Overall Width 59 1/2 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 60 in
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