36 in Backdraft Damper / Wall Shutter, 39-1/2 in x 39-1/2 in PRODUCTS_IMPORT Package Quantity 100 graingerSKU: 48WF91

Package Quantity 100 graingerSKU: 48WF91

zoro_no: G6273869

zoro_no: G9755551

mongo_id: 65bbe89622d7a989a99033b7

36 in Backdraft Damper / Wall Shutter, 39-1/2 in x 39-1/2 in PRODUCTS_IMPORT Package Quantity 100 graingerSKU: 48WF9142 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 42 in, Rough Opening Diameter 39 1 2 in, Rough Opening Shape Square, Fits Fan Diameter 36 in, For Duct Shape Not Applicable, Free Area 8. 5 sq ft, Overall Width 42 in, Frame Material Thickness 0. 8 in, Overall Length 5 3 4 in, Connection Type