Backdraft Damper / Wall Shutter, Fits Fan Dia. 16 In., Shutter Overall Size 19 In. x 19 In., Shutter Construction Material Extruded Aluminum Frame and Stainless Steel Tie Rods, Shutter Opening Required 16-1/2 In. x 16-1/2 In., Shutter Free Area 1.436 sq. ft., Vertical Shutter Mounting Position, Shutter Mounting Location Wall, Frame Depth 3 In., Open Depth 6-1/4 In., Flange Width 1-1/2 In., Mounting Hole Size Prepunched, Max. Velocity 3000 FPM, Blade Material Mill Finish Extruded AluminumSpecification: Item: Backdraft Damper / Wall ShutterMounting Hole Size: PrepunchedFor Use With: Vertical Mounted Exhaust FansShutter Item: Backdraft Damper / Wall ShutterShutter Opening Required: 16-1/2" x 16-1/2"Frame Opening A: 16"Shutter Construction Material: Extruded Aluminum Frame and Stainless Steel Tie RodsShutter Free Area: 1.436 sq. ft.Blade Material: Mill Finish Extruded AluminumOpen Depth: 6-1/4"Shutter Mounting Position: VerticalShutter Mounting Location: WallFrame Depth: 3"Frame Opening B: 16"Number of Panels: 1Flange Width: 1-1/2"Shutter Overall Size: 19" x 19"Fits Fan Dia.: 16"Max. Velocity: 3000 fpm
