Dayton 16" Backdraft Damper/Wall Shutter, Front Flange, 16-1/2" x 16-1/2" Opening Required

This model is a front flanged exhaust shutter for areas that require a flush mount. The blades have a reinforcement strip across the top of each blade for added strength and counter balancing efficiency. The blades also have a felt seal on the leading edge for quiet closing and better protection from the weather. Ideal for use with cabinet fans and flush mount direct-drive or belt-driven exhaust fans. Item: Backdraft Damper / Wall Shutter, Front Flange Fits Fan Dia.: 16" Shutter Overall Size: 19" x 19" Shutter Construction Material: Extruded Aluminum Frame and Galvanized Tie Rods Shutter Opening Required: 16-1/2" x 16-1/2" Shutter Free Area: 1.436 sq. ft. Shutter Mounting Position: Vertical Shutter Mounting Location: Wall Shutter Item: Backdraft Damper / Wall Shutter, Front Flange Frame Depth: 2-1/2" Open Depth: 5-3/4" Flange Width: 1-1/2" Mounting Hole Size: Prepunched Max. Velocity: 2500 FPM Blade Material: Mill Finish Aluminum For Use With: Vertical Mounted Exhaust Fans Number of Panels: 1