16 Backdraft Damper Wall Shutter 16 1 2 x 16 1 2

Use with vertical mounted exhaust fans shutters open automatically when fan is activated Galvanized steel frame with felted aluminum louvers for quiet operation Nylon bushings and stainless steel pivot pins 9 32 x 1 2 mounting holes Do not use with vaneaxial or tubeaxial fans WARNING Do not use with vaneaxial or tubeaxial fans Item Backdraft Damper Wall Shutter Fits Fan Dia 16 Shutter Overall Size 19 x 19 Shutter Construction Material G 90 Galvanized Steel Frame and Tie Rods Shutter Opening Required 16 1 2 x 16 1 2 Shutter Free Area 1 443 sq ft Shutter Mounting Position Vertical Shutter Mounting Location Wall Shutter Item Backdraft Damper Wall Shutter Frame Depth 2 1 4 Open Depth 6 1 4 Flange Width 1 1 2 Mounting Hole Size Prepunched Max Velocity 2000 FPM Blade Material Mill Finish Aluminum For Use With Vertical Mounted Exhaust Fans Number of Panels 1