12 in Backdraft Damper / Wall Shutter, 14-1/2 in x 14-1/2 in PRODUCTS_IMPORT Package Quantity 12 graingerSKU: 14D416

Package Quantity 12 graingerSKU: 14D416

zoro_no: G5915108

zoro_no: G4845499

zoro_no: G4140357

Sign Legend Style Symbol and Text graingerSKU: 475R31

12 in Backdraft Damper / Wall Shutter, 14-1/2 in x 14-1/2 in PRODUCTS_IMPORT Package Quantity 12 graingerSKU: 14D41617 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