DAYTON 2TGC1 Square Fire Damper,13-3/4 In. W
$97.75
13.75 In.H-W 3.7 In.L Squ Gravity Fire Dampr, Damper Application Fire, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity None, Overall Height 14 in, Rough Opening Diameter Not Applicable, Rough Opening Shape Square, Fits Fan...