24" Backdraft Damper / Wall Shutter

• Item:Backdraft Damper / Wall Shutter Fits Fan Dia:24" Overall Square:27" Opening Required:24-1/2" x 24-1/2" Frame Depth:2-1/2" Open Depth:5-3/4" Flange Width:1-1/2" Mounting Hole Size:Prepunched Free Area:3.320 sq.ft. Max. Velocity:2500 FPM Mounting Position:Vertical Blade Material:White Painted Aluminum Construction Material:Extruded Aluminum Frame and G-90 Galvanized Tie Rod For Use With:Vertical Mounted Exhaust Fans Number of Panels:1

Item:Backdraft Damper / Wall Shutter Fits Fan Dia:24" Overall Square:27" Opening Required:24-1/2" x 24-1/2" Frame Depth:2-1/2" Open Depth:5-3/4" Flange Width:1-1/2" Mounting Hole Size:Prepunched Free Area:3.320 sq.ft. Max. Velocity:2500 FPM Mounting Position:Vertical Blade Material:White Painted Aluminum Construction Material:Extruded Aluminum Frame and G-90 Galvanized Tie Rod For Use With:Vertical Mounted Exhaust Fans Number of Panels:1GRAINGER,W.W.