9.8 In.H-W 12 In.L Grvty Fire Dampr w/Sleeve, 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 Fan...
9.8 In.H-W 12 In.L Grvty Fire Dampr w/Sleeve, 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 Fan...