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zoro_no: G6017471
Bearing Material Steel
Sign Legend Style Symbol and Text graingerSKU: 475R31
Extra Long
zoro_no: G4140357
12 in Backdraft Damper / Wall Shutter, 14-1/2 in x 14-1/2 in PRODUCTS_IMPORT zoro_no: G601747117 In. H W 5. 75 In. L Aluminum Wall Fan Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 17 in, Rough Opening Diameter 14 1 2 in, Rough Opening Shape Square, Fits Fan Diameter 12 in, For Duct Shape Not Applicable, Free Area 0. 9 sq ft, Overall Width 17 in, Frame Material Thickness 0. 8 in, Overall Length 5 3 4 in, Connection Type
