DAYTON 2TGD2 Square Fire Damper,9-3/4 In. W
$64.85
9.75 In.H-W 3.7 In.L Square Spring Fire Damper, Damper Application Fire, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity None, Overall Height 9 3/4 in, Rough Opening Diameter Not Applicable, Rough Opening Shape Square, Fits...