DAYTON 2TGG1 Square Fire Damper,17-3/4 In. W($129.99Value)

Description

17.75 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 18 in, Rough Opening Diameter Not Applicable, Rough Opening Shape Square, Fits Fan...