Dayton 16 Inch Backdraft Damper Wall Shutter - HVAC Ventilation for Commercial & Residential Use - Fits 16.5 x 16.5 Inch Openings (Model 4C557)

Product Description

This model is a rear flanged general purpose exhaust shutter. The blades have a galvanized steel reinforcement strip across the top of each blade for added strength and counter balancing efficiency. The blades also feature a felt seal on the leading edge for quiet closing and better protection from the weather. This shutter is ideal for use with direct-drive or belt-driven exhaust fans. Item: Backdraft Damper / Wall Shutter Fits Fan Dia.: 16" Shutter Overall Size: 19" x 19" Shutter Construction Material: Extruded Aluminum Frame and G-90 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 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: White Painted Aluminum For Use With: Vertical Mounted Exhaust Fans Number of Panels: 1