Dayton 4FZJ1 - 42 in 45"H-W 6.5"L Extrd Alu Backdraft Dampr, 42-1/2 in x 42-1/2 in, Aluminum
Dayton 4FZJ1 - 42 in 45"H-W 6.5"L Extrd Alu Backdraft Dampr, 42-1/2 in x 42-1/2 in, Aluminum
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45 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 2, Maximum Air Velocity 3250 fpm, Overall Height 45 in, Rough Opening Diameter 42 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 42 in, For Duct Shape Not Applicable, Free Area 10.3 sq ft, Overall Width 45 in, Frame Material Thickness 0.8 in, Overall Length 6 1/2 in, Connection Type Not Applicable, Frame Depth 3 in
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