| Brand | DAYTON |
| Type | Shutters |
| MPN | 4C835 |
| Model | 4C835 |
| UPC | 190735322376 |
39 In.H-W 5.75 In.L Aluminum Fan Wall Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 39 in, Rough Opening Diameter 36 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 36 in, For Duct Shape Not Applicable, Free Area 7.1 sq ft, Overall Width 39 in, Frame Material Thickness 0.8 in, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in This is a rear flanged exhaust shutter for areas where corrosion may be a problem. The blades have an enamel finish and a galvanized reinforcement strip across the top of each blade for added strength and counter balancing efficiency. The blades have a felt seal on the leading edge for quiet closing and better.