Fire Damper, Damper Application Fire, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 4000 fpm, Overall Height 5 3/4 in, Rough Opening Diameter Not Applicable, Rough Opening Shape Rectangular, Fits Fan Diameter Not Applicable,...
Fire Damper, Damper Application Fire, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 4000 fpm, Overall Height 5 3/4 in, Rough Opening Diameter Not Applicable, Rough Opening Shape Rectangular, Fits Fan Diameter Not Applicable,...