DAYTON 2TGF9 Square Fire Damper,15-3/4 In. W
$114.99
15.75 In.H-W 3.7 In.L Square GStl Fire Dampr, Damper Application Fire, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 4000 fpm, Overall Height 16 in, Rough Opening Diameter Not Applicable, Rough Opening Shape Square, Fits Fan...